Merge branch 'akpm-current/current'

59 files changed, 112 insertions, 182 deletions

diff --git a/arch/Kconfig b/arch/Kconfig
index e1e540ffa979..b70c952ac838 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -535,6 +535,11 @@ config HAVE_IRQ_TIME_ACCOUNTING
 	  Archs need to ensure they use a high enough resolution clock to
 	  support irq time accounting and then call enable_sched_clock_irqtime().
 
+config HAVE_MOVE_PMD
+	bool
+	help
+	  Archs that select this are able to move page tables at the PMD level.
+
 config HAVE_ARCH_TRANSPARENT_HUGEPAGE
 	bool
 
diff --git a/arch/alpha/include/asm/bitops.h b/arch/alpha/include/asm/bitops.h
index ca43f4d0b937..5adca78830b5 100644
--- a/arch/alpha/include/asm/bitops.h
+++ b/arch/alpha/include/asm/bitops.h
@@ -391,9 +391,9 @@ static inline unsigned long __fls(unsigned long x)
 	return fls64(x) - 1;
 }
 
-static inline int fls(int x)
+static inline int fls(unsigned int x)
 {
-	return fls64((unsigned int) x);
+	return fls64(x);
 }
 
 /*
diff --git a/arch/alpha/include/asm/pgalloc.h b/arch/alpha/include/asm/pgalloc.h
index ab3e3a8638fb..02f9f91bb4f0 100644
--- a/arch/alpha/include/asm/pgalloc.h
+++ b/arch/alpha/include/asm/pgalloc.h
@@ -52,7 +52,7 @@ pmd_free(struct mm_struct *mm, pmd_t *pmd)
 }
 
 static inline pte_t *
-pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address)
+pte_alloc_one_kernel(struct mm_struct *mm)
 {
 	pte_t *pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_ZERO);
 	return pte;
@@ -65,9 +65,9 @@ pte_free_kernel(struct mm_struct *mm, pte_t *pte)
 }
 
 static inline pgtable_t
-pte_alloc_one(struct mm_struct *mm, unsigned long address)
+pte_alloc_one(struct mm_struct *mm)
 {
-	pte_t *pte = pte_alloc_one_kernel(mm, address);
+	pte_t *pte = pte_alloc_one_kernel(mm);
 	struct page *page;
 
 	if (!pte)
diff --git a/arch/arc/include/asm/bitops.h b/arch/arc/include/asm/bitops.h
index 8da87feec59a..ee9246184033 100644
--- a/arch/arc/include/asm/bitops.h
+++ b/arch/arc/include/asm/bitops.h
@@ -278,7 +278,7 @@ static inline __attribute__ ((const)) int clz(unsigned int x)
 	return res;
 }
 
-static inline int constant_fls(int x)
+static inline int constant_fls(unsigned int x)
 {
 	int r = 32;
 
@@ -312,7 +312,7 @@ static inline int constant_fls(int x)
  * @result: [1-32]
  * fls(1) = 1, fls(0x80000000) = 32, fls(0) = 0
  */
-static inline __attribute__ ((const)) int fls(unsigned long x)
+static inline __attribute__ ((const)) int fls(unsigned int x)
 {
 	if (__builtin_constant_p(x))
 	       return constant_fls(x);
diff --git a/arch/arc/include/asm/pgalloc.h b/arch/arc/include/asm/pgalloc.h
index 3749234b7419..9c9b5a5ebf2e 100644
--- a/arch/arc/include/asm/pgalloc.h
+++ b/arch/arc/include/asm/pgalloc.h
@@ -90,8 +90,7 @@ static inline int __get_order_pte(void)
 	return get_order(PTRS_PER_PTE * sizeof(pte_t));
 }
 
-static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
-					unsigned long address)
+static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
 {
 	pte_t *pte;
 
@@ -102,7 +101,7 @@ static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
 }
 
 static inline pgtable_t
-pte_alloc_one(struct mm_struct *mm, unsigned long address)
+pte_alloc_one(struct mm_struct *mm)
 {
 	pgtable_t pte_pg;
 	struct page *page;
diff --git a/arch/arm/include/asm/page.h b/arch/arm/include/asm/page.h
index 4355f0ec44d6..f98baaec0a15 100644
--- a/arch/arm/include/asm/page.h
+++ b/arch/arm/include/asm/page.h
@@ -17,6 +17,8 @@
 
 #ifndef __ASSEMBLY__
 
+#include <linux/personality.h>	/* For READ_IMPLIES_EXEC */
+
 #ifndef CONFIG_MMU
 
 #include <asm/page-nommu.h>
diff --git a/arch/arm/include/asm/pgalloc.h b/arch/arm/include/asm/pgalloc.h
index 2d7344f0e208..17ab72f0cc4e 100644
--- a/arch/arm/include/asm/pgalloc.h
+++ b/arch/arm/include/asm/pgalloc.h
@@ -81,7 +81,7 @@ static inline void clean_pte_table(pte_t *pte)
  *  +------------+
  */
 static inline pte_t *
-pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr)
+pte_alloc_one_kernel(struct mm_struct *mm)
 {
 	pte_t *pte;
 
@@ -93,7 +93,7 @@ pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr)
 }
 
 static inline pgtable_t
-pte_alloc_one(struct mm_struct *mm, unsigned long addr)
+pte_alloc_one(struct mm_struct *mm)
 {
 	struct page *pte;
 
diff --git a/arch/arm64/include/asm/pgalloc.h b/arch/arm64/include/asm/pgalloc.h
index 2e05bcd944c8..52fa47c73bf0 100644
--- a/arch/arm64/include/asm/pgalloc.h
+++ b/arch/arm64/include/asm/pgalloc.h
@@ -91,13 +91,13 @@ extern pgd_t *pgd_alloc(struct mm_struct *mm);
 extern void pgd_free(struct mm_struct *mm, pgd_t *pgdp);
 
 static inline pte_t *
-pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr)
+pte_alloc_one_kernel(struct mm_struct *mm)
 {
 	return (pte_t *)__get_free_page(PGALLOC_GFP);
 }
 
 static inline pgtable_t
-pte_alloc_one(struct mm_struct *mm, unsigned long addr)
+pte_alloc_one(struct mm_struct *mm)
 {
 	struct page *pte;
 
diff --git a/arch/c6x/include/asm/bitops.h b/arch/c6x/include/asm/bitops.h
index f0ab012401b6..8b68234ace18 100644
--- a/arch/c6x/include/asm/bitops.h
+++ b/arch/c6x/include/asm/bitops.h
@@ -54,7 +54,7 @@ static inline unsigned long __ffs(unsigned long x)
  * This is defined the same way as ffs.
  * Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32.
  */
-static inline int fls(int x)
+static inline int fls(unsigned int x)
 {
 	if (!x)
 		return 0;
diff --git a/arch/csky/include/asm/bitops.h b/arch/csky/include/asm/bitops.h
index 335f2883fb1e..43b9838bff63 100644
--- a/arch/csky/include/asm/bitops.h
+++ b/arch/csky/include/asm/bitops.h
@@ -40,7 +40,7 @@ static __always_inline unsigned long __ffs(unsigned long x)
 /*
  * asm-generic/bitops/fls.h
  */
-static __always_inline int fls(int x)
+static __always_inline int fls(unsigned int x)
 {
 	asm volatile(
 		"ff1 %0\n"
diff --git a/arch/csky/mm/init.c b/arch/csky/mm/init.c
index dc07c078f9b8..66e597053488 100644
--- a/arch/csky/mm/init.c
+++ b/arch/csky/mm/init.c
@@ -71,7 +71,7 @@ void free_initrd_mem(unsigned long start, unsigned long end)
 		ClearPageReserved(virt_to_page(start));
 		init_page_count(virt_to_page(start));
 		free_page(start);
-		totalram_pages++;
+		totalram_pages_inc();
 	}
 }
 #endif
@@ -88,7 +88,7 @@ void free_initmem(void)
 		ClearPageReserved(virt_to_page(addr));
 		init_page_count(virt_to_page(addr));
 		free_page(addr);
-		totalram_pages++;
+		totalram_pages_inc();
 		addr += PAGE_SIZE;
 	}
 
diff --git a/arch/hexagon/include/asm/bitops.h b/arch/hexagon/include/asm/bitops.h
index 2691a1857d20..bee974262387 100644
--- a/arch/hexagon/include/asm/bitops.h
+++ b/arch/hexagon/include/asm/bitops.h
@@ -211,7 +211,7 @@ static inline long ffz(int x)
  * This is defined the same way as ffs.
  * Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32.
  */
-static inline int fls(int x)
+static inline int fls(unsigned int x)
 {
 	int r;
 
diff --git a/arch/hexagon/include/asm/pgalloc.h b/arch/hexagon/include/asm/pgalloc.h
index eeebf862c46c..d36183887b60 100644
--- a/arch/hexagon/include/asm/pgalloc.h
+++ b/arch/hexagon/include/asm/pgalloc.h
@@ -59,8 +59,7 @@ static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
 	free_page((unsigned long) pgd);
 }
 
-static inline struct page *pte_alloc_one(struct mm_struct *mm,
-					 unsigned long address)
+static inline struct page *pte_alloc_one(struct mm_struct *mm)
 {
 	struct page *pte;
 
@@ -75,8 +74,7 @@ static inline struct page *pte_alloc_one(struct mm_struct *mm,
 }
 
 /* _kernel variant gets to use a different allocator */
-static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
-					  unsigned long address)
+static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
 {
 	gfp_t flags =  GFP_KERNEL | __GFP_ZERO;
 	return (pte_t *) __get_free_page(flags);
diff --git a/arch/ia64/include/asm/bitops.h b/arch/ia64/include/asm/bitops.h
index 56a774bf13fa..2f24ee6459d2 100644
--- a/arch/ia64/include/asm/bitops.h
+++ b/arch/ia64/include/asm/bitops.h
@@ -388,8 +388,7 @@ ia64_fls (unsigned long x)
  * Find the last (most significant) bit set.  Returns 0 for x==0 and
  * bits are numbered from 1..32 (e.g., fls(9) == 4).
  */
-static inline int
-fls (int t)
+static inline int fls(unsigned int t)
 {
 	unsigned long x = t & 0xffffffffu;
 
diff --git a/arch/ia64/include/asm/pgalloc.h b/arch/ia64/include/asm/pgalloc.h
index 3ee5362f2661..c9e481023c25 100644
--- a/arch/ia64/include/asm/pgalloc.h
+++ b/arch/ia64/include/asm/pgalloc.h
@@ -83,7 +83,7 @@ pmd_populate_kernel(struct mm_struct *mm, pmd_t * pmd_entry, pte_t * pte)
 	pmd_val(*pmd_entry) = __pa(pte);
 }
 
-static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long addr)
+static inline pgtable_t pte_alloc_one(struct mm_struct *mm)
 {
 	struct page *page;
 	void *pg;
@@ -99,8 +99,7 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long addr)
 	return page;
 }
 
-static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
-					  unsigned long addr)
+static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
 {
 	return quicklist_alloc(0, GFP_KERNEL, NULL);
 }
diff --git a/arch/m68k/include/asm/bitops.h b/arch/m68k/include/asm/bitops.h
index d979f38af751..10133a968c8e 100644
--- a/arch/m68k/include/asm/bitops.h
+++ b/arch/m68k/include/asm/bitops.h
@@ -502,7 +502,7 @@ static inline unsigned long __ffs(unsigned long x)
 /*
  *	fls: find last bit set.
  */
-static inline int fls(int x)
+static inline int fls(unsigned int x)
 {
 	int cnt;
 
diff --git a/arch/m68k/include/asm/mcf_pgalloc.h b/arch/m68k/include/asm/mcf_pgalloc.h
index 12fe700632f4..4399d712f6db 100644
--- a/arch/m68k/include/asm/mcf_pgalloc.h
+++ b/arch/m68k/include/asm/mcf_pgalloc.h
@@ -12,8 +12,7 @@ extern inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
 
 extern const char bad_pmd_string[];
 
-extern inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
-	unsigned long address)
+extern inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
 {
 	unsigned long page = __get_free_page(GFP_DMA);
 
@@ -32,8 +31,6 @@ extern inline pmd_t *pmd_alloc_kernel(pgd_t *pgd, unsigned long address)
 #define pmd_alloc_one_fast(mm, address) ({ BUG(); ((pmd_t *)1); })
 #define pmd_alloc_one(mm, address)      ({ BUG(); ((pmd_t *)2); })
 
-#define pte_alloc_one_fast(mm, addr) pte_alloc_one(mm, addr)
-
 #define pmd_populate(mm, pmd, page) (pmd_val(*pmd) = \
 	(unsigned long)(page_address(page)))
 
@@ -50,8 +47,7 @@ static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t page,
 
 #define __pmd_free_tlb(tlb, pmd, address) do { } while (0)
 
-static inline struct page *pte_alloc_one(struct mm_struct *mm,
-	unsigned long address)
+static inline struct page *pte_alloc_one(struct mm_struct *mm)
 {
 	struct page *page = alloc_pages(GFP_DMA, 0);
 	pte_t *pte;
diff --git a/arch/m68k/include/asm/motorola_pgalloc.h b/arch/m68k/include/asm/motorola_pgalloc.h
index 7859a86319cf..d04d9ba9b976 100644
--- a/arch/m68k/include/asm/motorola_pgalloc.h
+++ b/arch/m68k/include/asm/motorola_pgalloc.h
@@ -8,7 +8,7 @@
 extern pmd_t *get_pointer_table(void);
 extern int free_pointer_table(pmd_t *);
 
-static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address)
+static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
 {
 	pte_t *pte;
 
@@ -28,7 +28,7 @@ static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
 	free_page((unsigned long) pte);
 }
 
-static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address)
+static inline pgtable_t pte_alloc_one(struct mm_struct *mm)
 {
 	struct page *page;
 	pte_t *pte;
diff --git a/arch/m68k/include/asm/sun3_pgalloc.h b/arch/m68k/include/asm/sun3_pgalloc.h
index 11485d38de4e..1456c5eecbd9 100644
--- a/arch/m68k/include/asm/sun3_pgalloc.h
+++ b/arch/m68k/include/asm/sun3_pgalloc.h
@@ -35,8 +35,7 @@ do {							\
 	tlb_remove_page((tlb), pte);			\
 } while (0)
 
-static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
-					  unsigned long address)
+static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
 {
 	unsigned long page = __get_free_page(GFP_KERNEL);
 
@@ -47,8 +46,7 @@ static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
 	return (pte_t *) (page);
 }
 
-static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
-					unsigned long address)
+static inline pgtable_t pte_alloc_one(struct mm_struct *mm)
 {
         struct page *page = alloc_pages(GFP_KERNEL, 0);
 
diff --git a/arch/microblaze/include/asm/pgalloc.h b/arch/microblaze/include/asm/pgalloc.h
index 7c89390c0c13..f4cc9ffc449e 100644
--- a/arch/microblaze/include/asm/pgalloc.h
+++ b/arch/microblaze/include/asm/pgalloc.h
@@ -108,10 +108,9 @@ static inline void free_pgd_slow(pgd_t *pgd)
 #define pmd_alloc_one_fast(mm, address)	({ BUG(); ((pmd_t *)1); })
 #define pmd_alloc_one(mm, address)	({ BUG(); ((pmd_t *)2); })
 
-extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr);
+extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm);
 
-static inline struct page *pte_alloc_one(struct mm_struct *mm,
-		unsigned long address)
+static inline struct page *pte_alloc_one(struct mm_struct *mm)
 {
 	struct page *ptepage;
 
@@ -132,20 +131,6 @@ static inline struct page *pte_alloc_one(struct mm_struct *mm,
 	return ptepage;
 }
 
-static inline pte_t *pte_alloc_one_fast(struct mm_struct *mm,
-		unsigned long address)
-{
-	unsigned long *ret;
-
-	ret = pte_quicklist;
-	if (ret != NULL) {
-		pte_quicklist = (unsigned long *)(*ret);
-		ret[0] = 0;
-		pgtable_cache_size--;
-	}
-	return (pte_t *)ret;
-}
-
 static inline void pte_free_fast(pte_t *pte)
 {
 	*(unsigned long **)pte = pte_quicklist;
diff --git a/arch/microblaze/mm/pgtable.c b/arch/microblaze/mm/pgtable.c
index 7f525962cdfa..c2ce1e42b888 100644
--- a/arch/microblaze/mm/pgtable.c
+++ b/arch/microblaze/mm/pgtable.c
@@ -235,8 +235,7 @@ unsigned long iopa(unsigned long addr)
 	return pa;
 }
 
-__ref pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
-		unsigned long address)
+__ref pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
 {
 	pte_t *pte;
 	if (mem_init_done) {
diff --git a/arch/mips/include/asm/bitops.h b/arch/mips/include/asm/bitops.h
index f2a840fb6a9a..c4675957b21b 100644
--- a/arch/mips/include/asm/bitops.h
+++ b/arch/mips/include/asm/bitops.h
@@ -555,7 +555,7 @@ static inline unsigned long __ffs(unsigned long word)
  * This is defined the same way as ffs.
  * Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32.
  */
-static inline int fls(int x)
+static inline int fls(unsigned int x)
 {
 	int r;
 
diff --git a/arch/mips/include/asm/pgalloc.h b/arch/mips/include/asm/pgalloc.h
index 39b9f311c4ef..27808d9461f4 100644
--- a/arch/mips/include/asm/pgalloc.h
+++ b/arch/mips/include/asm/pgalloc.h
@@ -50,14 +50,12 @@ static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
 	free_pages((unsigned long)pgd, PGD_ORDER);
 }
 
-static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
-	unsigned long address)
+static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
 {
 	return (pte_t *)__get_free_pages(GFP_KERNEL | __GFP_ZERO, PTE_ORDER);
 }
 
-static inline struct page *pte_alloc_one(struct mm_struct *mm,
-	unsigned long address)
+static inline struct page *pte_alloc_one(struct mm_struct *mm)
 {
 	struct page *pte;
 
diff --git a/arch/nds32/include/asm/pgalloc.h b/arch/nds32/include/asm/pgalloc.h
index 27448869131a..3c5fee5b5759 100644
--- a/arch/nds32/include/asm/pgalloc.h
+++ b/arch/nds32/include/asm/pgalloc.h
@@ -22,8 +22,7 @@ extern void pgd_free(struct mm_struct *mm, pgd_t * pgd);
 
 #define check_pgt_cache()		do { } while (0)
 
-static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
-					  unsigned long addr)
+static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
 {
 	pte_t *pte;
 
@@ -34,7 +33,7 @@ static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
 	return pte;
 }
 
-static inline pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long addr)
+static inline pgtable_t pte_alloc_one(struct mm_struct *mm)
 {
 	pgtable_t pte;
 
diff --git a/arch/nios2/include/asm/pgalloc.h b/arch/nios2/include/asm/pgalloc.h
index bb47d08c8ef7..3a149ead1207 100644
--- a/arch/nios2/include/asm/pgalloc.h
+++ b/arch/nios2/include/asm/pgalloc.h
@@ -37,8 +37,7 @@ static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
 	free_pages((unsigned long)pgd, PGD_ORDER);
 }
 
-static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
-	unsigned long address)
+static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
 {
 	pte_t *pte;
 
@@ -47,8 +46,7 @@ static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
 	return pte;
 }
 
-static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
-	unsigned long address)
+static inline pgtable_t pte_alloc_one(struct mm_struct *mm)
 {
 	struct page *pte;
 
diff --git a/arch/openrisc/include/asm/bitops/fls.h b/arch/openrisc/include/asm/bitops/fls.h
index 9efbf9ad86c4..57de5a1115bf 100644
--- a/arch/openrisc/include/asm/bitops/fls.h
+++ b/arch/openrisc/include/asm/bitops/fls.h
@@ -15,7 +15,7 @@
 
 #ifdef CONFIG_OPENRISC_HAVE_INST_FL1
 
-static inline int fls(int x)
+static inline int fls(unsigned int x)
 {
 	int ret;
 
diff --git a/arch/openrisc/include/asm/pgalloc.h b/arch/openrisc/include/asm/pgalloc.h
index 8999b9226512..149c82ee4b8b 100644
--- a/arch/openrisc/include/asm/pgalloc.h
+++ b/arch/openrisc/include/asm/pgalloc.h
@@ -70,10 +70,9 @@ static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
 	free_page((unsigned long)pgd);
 }
 
-extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address);
+extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm);
 
-static inline struct page *pte_alloc_one(struct mm_struct *mm,
-					 unsigned long address)
+static inline struct page *pte_alloc_one(struct mm_struct *mm)
 {
 	struct page *pte;
 	pte = alloc_pages(GFP_KERNEL, 0);
diff --git a/arch/openrisc/mm/ioremap.c b/arch/openrisc/mm/ioremap.c
index c9697529b3f0..270d1c9bc0d6 100644
--- a/arch/openrisc/mm/ioremap.c
+++ b/arch/openrisc/mm/ioremap.c
@@ -118,8 +118,7 @@ EXPORT_SYMBOL(iounmap);
  * the memblock infrastructure.
  */
 
-pte_t __ref *pte_alloc_one_kernel(struct mm_struct *mm,
-					 unsigned long address)
+pte_t __ref *pte_alloc_one_kernel(struct mm_struct *mm)
 {
 	pte_t *pte;
 
diff --git a/arch/parisc/include/asm/bitops.h b/arch/parisc/include/asm/bitops.h
index 53252d4f9a57..a09eaebfdfd0 100644
--- a/arch/parisc/include/asm/bitops.h
+++ b/arch/parisc/include/asm/bitops.h
@@ -188,7 +188,7 @@ static __inline__ int ffs(int x)
  * fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32.
  */
 
-static __inline__ int fls(int x)
+static __inline__ int fls(unsigned int x)
 {
 	int ret;
 	if (!x)
diff --git a/arch/parisc/include/asm/pgalloc.h b/arch/parisc/include/asm/pgalloc.h
index cf13275f7c6d..d05c678c77c4 100644
--- a/arch/parisc/include/asm/pgalloc.h
+++ b/arch/parisc/include/asm/pgalloc.h
@@ -122,7 +122,7 @@ pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, pte_t *pte)
 #define pmd_pgtable(pmd) pmd_page(pmd)
 
 static inline pgtable_t
-pte_alloc_one(struct mm_struct *mm, unsigned long address)
+pte_alloc_one(struct mm_struct *mm)
 {
 	struct page *page = alloc_page(GFP_KERNEL|__GFP_ZERO);
 	if (!page)
@@ -135,7 +135,7 @@ pte_alloc_one(struct mm_struct *mm, unsigned long address)
 }
 
 static inline pte_t *
-pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr)
+pte_alloc_one_kernel(struct mm_struct *mm)
 {
 	pte_t *pte = (pte_t *)__get_free_page(GFP_KERNEL|__GFP_ZERO);
 	return pte;
diff --git a/arch/powerpc/include/asm/book3s/32/pgalloc.h b/arch/powerpc/include/asm/book3s/32/pgalloc.h
index 82e44b1a00ae..af9e13555d95 100644
--- a/arch/powerpc/include/asm/book3s/32/pgalloc.h
+++ b/arch/powerpc/include/asm/book3s/32/pgalloc.h
@@ -82,8 +82,8 @@ static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmdp,
 #define pmd_pgtable(pmd) pmd_page(pmd)
 #endif
 
-extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr);
-extern pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long addr);
+extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm);
+extern pgtable_t pte_alloc_one(struct mm_struct *mm);
 
 static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
 {
diff --git a/arch/powerpc/include/asm/book3s/64/pgalloc.h b/arch/powerpc/include/asm/book3s/64/pgalloc.h
index 391ed2c3b697..8f1d92e99fe5 100644
--- a/arch/powerpc/include/asm/book3s/64/pgalloc.h
+++ b/arch/powerpc/include/asm/book3s/64/pgalloc.h
@@ -42,7 +42,7 @@ extern struct kmem_cache *pgtable_cache[];
 			pgtable_cache[(shift) - 1];	\
 		})
 
-extern pte_t *pte_fragment_alloc(struct mm_struct *, unsigned long, int);
+extern pte_t *pte_fragment_alloc(struct mm_struct *, int);
 extern pmd_t *pmd_fragment_alloc(struct mm_struct *, unsigned long);
 extern void pte_fragment_free(unsigned long *, int);
 extern void pmd_fragment_free(unsigned long *);
@@ -192,16 +192,14 @@ static inline pgtable_t pmd_pgtable(pmd_t pmd)
 	return (pgtable_t)pmd_page_vaddr(pmd);
 }
 
-static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
-					  unsigned long address)
+static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
 {
-	return (pte_t *)pte_fragment_alloc(mm, address, 1);
+	return (pte_t *)pte_fragment_alloc(mm, 1);
 }
 
-static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
-				      unsigned long address)
+static inline pgtable_t pte_alloc_one(struct mm_struct *mm)
 {
-	return (pgtable_t)pte_fragment_alloc(mm, address, 0);
+	return (pgtable_t)pte_fragment_alloc(mm, 0);
 }
 
 static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
diff --git a/arch/powerpc/include/asm/nohash/32/pgalloc.h b/arch/powerpc/include/asm/nohash/32/pgalloc.h
index 8825953c225b..16623f53f0d4 100644
--- a/arch/powerpc/include/asm/nohash/32/pgalloc.h
+++ b/arch/powerpc/include/asm/nohash/32/pgalloc.h
@@ -83,8 +83,8 @@ static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmdp,
 #define pmd_pgtable(pmd) pmd_page(pmd)
 #endif
 
-extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr);
-extern pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long addr);
+extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm);
+extern pgtable_t pte_alloc_one(struct mm_struct *mm);
 
 static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
 {
diff --git a/arch/powerpc/include/asm/nohash/64/pgalloc.h b/arch/powerpc/include/asm/nohash/64/pgalloc.h
index e2d62d033708..2e7e0230edf4 100644
--- a/arch/powerpc/include/asm/nohash/64/pgalloc.h
+++ b/arch/powerpc/include/asm/nohash/64/pgalloc.h
@@ -96,14 +96,12 @@ static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
 }
 
 
-static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
-					  unsigned long address)
+static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
 {
 	return (pte_t *)__get_free_page(GFP_KERNEL | __GFP_ZERO);
 }
 
-static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
-				      unsigned long address)
+static inline pgtable_t pte_alloc_one(struct mm_struct *mm)
 {
 	struct page *page;
 	pte_t *pte;
diff --git a/arch/powerpc/mm/pgtable-book3s64.c b/arch/powerpc/mm/pgtable-book3s64.c
index 9f93c9f985c5..6f9d434b0a4c 100644
--- a/arch/powerpc/mm/pgtable-book3s64.c
+++ b/arch/powerpc/mm/pgtable-book3s64.c
@@ -384,7 +384,7 @@ static pte_t *__alloc_for_ptecache(struct mm_struct *mm, int kernel)
 	return (pte_t *)ret;
 }
 
-pte_t *pte_fragment_alloc(struct mm_struct *mm, unsigned long vmaddr, int kernel)
+pte_t *pte_fragment_alloc(struct mm_struct *mm, int kernel)
 {
 	pte_t *pte;
 
diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c
index bda3c6f1bd32..1d8e2d98db98 100644
--- a/arch/powerpc/mm/pgtable_32.c
+++ b/arch/powerpc/mm/pgtable_32.c
@@ -43,7 +43,7 @@ EXPORT_SYMBOL(ioremap_bot);	/* aka VMALLOC_END */
 
 extern char etext[], _stext[], _sinittext[], _einittext[];
 
-__ref pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address)
+__ref pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
 {
 	pte_t *pte;
 
@@ -57,7 +57,7 @@ __ref pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address)
 	return pte;
 }
 
-pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address)
+pgtable_t pte_alloc_one(struct mm_struct *mm)
 {
 	struct page *ptepage;
 
diff --git a/arch/powerpc/platforms/pseries/cmm.c b/arch/powerpc/platforms/pseries/cmm.c
index 25427a48feae..e8d63a6a9002 100644
--- a/arch/powerpc/platforms/pseries/cmm.c
+++ b/arch/powerpc/platforms/pseries/cmm.c
@@ -208,7 +208,7 @@ static long cmm_alloc_pages(long nr)
 
 		pa->page[pa->index++] = addr;
 		loaned_pages++;
-		totalram_pages--;
+		totalram_pages_dec();
 		spin_unlock(&cmm_lock);
 		nr--;
 	}
@@ -247,7 +247,7 @@ static long cmm_free_pages(long nr)
 		free_page(addr);
 		loaned_pages--;
 		nr--;
-		totalram_pages++;
+		totalram_pages_inc();
 	}
 	spin_unlock(&cmm_lock);
 	cmm_dbg("End request with %ld pages unfulfilled\n", nr);
@@ -291,7 +291,7 @@ static void cmm_get_mpp(void)
 	int rc;
 	struct hvcall_mpp_data mpp_data;
 	signed long active_pages_target, page_loan_request, target;
-	signed long total_pages = totalram_pages + loaned_pages;
+	signed long total_pages = totalram_pages() + loaned_pages;
 	signed long min_mem_pages = (min_mem_mb * 1024 * 1024) / PAGE_SIZE;
 
 	rc = h_get_mpp(&mpp_data);
@@ -322,7 +322,7 @@ static void cmm_get_mpp(void)
 
 	cmm_dbg("delta = %ld, loaned = %lu, target = %lu, oom = %lu, totalram = %lu\n",
 		page_loan_request, loaned_pages, loaned_pages_target,
-		oom_freed_pages, totalram_pages);
+		oom_freed_pages, totalram_pages());
 }
 
 static struct notifier_block cmm_oom_nb = {
@@ -581,7 +581,7 @@ static int cmm_mem_going_offline(void *arg)
 			free_page(pa_curr->page[idx]);
 			freed++;
 			loaned_pages--;
-			totalram_pages++;
+			totalram_pages_inc();
 			pa_curr->page[idx] = pa_last->page[--pa_last->index];
 			if (pa_last->index == 0) {
 				if (pa_curr == pa_last)
diff --git a/arch/riscv/include/asm/pgalloc.h b/arch/riscv/include/asm/pgalloc.h
index a79ed5faff3a..94043cf83c90 100644
--- a/arch/riscv/include/asm/pgalloc.h
+++ b/arch/riscv/include/asm/pgalloc.h
@@ -82,15 +82,13 @@ static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
 
 #endif /* __PAGETABLE_PMD_FOLDED */
 
-static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
-	unsigned long address)
+static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
 {
 	return (pte_t *)__get_free_page(
 		GFP_KERNEL | __GFP_RETRY_MAYFAIL | __GFP_ZERO);
 }
 
-static inline struct page *pte_alloc_one(struct mm_struct *mm,
-	unsigned long address)
+static inline struct page *pte_alloc_one(struct mm_struct *mm)
 {
 	struct page *pte;
 
diff --git a/arch/s390/include/asm/bitops.h b/arch/s390/include/asm/bitops.h
index 86e5b2fdee3c..d1f8a4d94cca 100644
--- a/arch/s390/include/asm/bitops.h
+++ b/arch/s390/include/asm/bitops.h
@@ -397,9 +397,9 @@ static inline int fls64(unsigned long word)
  * This is defined the same way as ffs.
  * Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32.
  */
-static inline int fls(int word)
+static inline int fls(unsigned int word)
 {
-	return fls64((unsigned int)word);
+	return fls64(word);
 }
 
 #else /* CONFIG_HAVE_MARCH_Z9_109_FEATURES */
diff --git a/arch/s390/include/asm/pgalloc.h b/arch/s390/include/asm/pgalloc.h
index 5ee733720a57..bccb8f4a63e2 100644
--- a/arch/s390/include/asm/pgalloc.h
+++ b/arch/s390/include/asm/pgalloc.h
@@ -139,8 +139,8 @@ static inline void pmd_populate(struct mm_struct *mm,
 /*
  * page table entry allocation/free routines.
  */
-#define pte_alloc_one_kernel(mm, vmaddr) ((pte_t *) page_table_alloc(mm))
-#define pte_alloc_one(mm, vmaddr) ((pte_t *) page_table_alloc(mm))
+#define pte_alloc_one_kernel(mm) ((pte_t *)page_table_alloc(mm))
+#define pte_alloc_one(mm) ((pte_t *)page_table_alloc(mm))
 
 #define pte_free_kernel(mm, pte) page_table_free(mm, (unsigned long *) pte)
 #define pte_free(mm, pte) page_table_free(mm, (unsigned long *) pte)
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index 76d0708438e9..50388190b393 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -59,7 +59,7 @@ static void __init setup_zero_pages(void)
 	order = 7;
 
 	/* Limit number of empty zero pages for small memory sizes */
-	while (order > 2 && (totalram_pages >> 10) < (1UL << order))
+	while (order > 2 && (totalram_pages() >> 10) < (1UL << order))
 		order--;
 
 	empty_zero_page = __get_free_pages(GFP_KERNEL | __GFP_ZERO, order);
diff --git a/arch/sh/boards/mach-kfr2r09/setup.c b/arch/sh/boards/mach-kfr2r09/setup.c
index e59c577ed871..c70bc7809dda 100644
--- a/arch/sh/boards/mach-kfr2r09/setup.c
+++ b/arch/sh/boards/mach-kfr2r09/setup.c
@@ -25,7 +25,6 @@
 #include <linux/memblock.h>
 #include <linux/mfd/tmio.h>
 #include <linux/mmc/host.h>
-#include <linux/mtd/onenand.h>
 #include <linux/mtd/physmap.h>
 #include <linux/platform_data/lv5207lp.h>
 #include <linux/platform_device.h>
diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h
index 98cb8c802b1a..4f7f235f15f8 100644
--- a/arch/sh/include/asm/io.h
+++ b/arch/sh/include/asm/io.h
@@ -24,6 +24,7 @@
 #define __IO_PREFIX     generic
 #include <asm/io_generic.h>
 #include <asm/io_trapped.h>
+#include <asm-generic/pci_iomap.h>
 #include <mach/mangle-port.h>
 
 #define __raw_writeb(v,a)	(__chk_io_ptr(a), *(volatile u8  __force *)(a) = (v))
diff --git a/arch/sh/include/asm/pgalloc.h b/arch/sh/include/asm/pgalloc.h
index ed053a359ab7..8ad73cb31121 100644
--- a/arch/sh/include/asm/pgalloc.h
+++ b/arch/sh/include/asm/pgalloc.h
@@ -32,14 +32,12 @@ static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
 /*
  * Allocate and free page tables.
  */
-static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
-					  unsigned long address)
+static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
 {
 	return quicklist_alloc(QUICK_PT, GFP_KERNEL, NULL);
 }
 
-static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
-					unsigned long address)
+static inline pgtable_t pte_alloc_one(struct mm_struct *mm)
 {
 	struct page *page;
 	void *pg;
diff --git a/arch/sparc/include/asm/pgalloc_32.h b/arch/sparc/include/asm/pgalloc_32.h
index 90459481c6c7..282be50a4adf 100644
--- a/arch/sparc/include/asm/pgalloc_32.h
+++ b/arch/sparc/include/asm/pgalloc_32.h
@@ -58,10 +58,9 @@ void pmd_populate(struct mm_struct *mm, pmd_t *pmdp, struct page *ptep);
 void pmd_set(pmd_t *pmdp, pte_t *ptep);
 #define pmd_populate_kernel(MM, PMD, PTE) pmd_set(PMD, PTE)
 
-pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address);
+pgtable_t pte_alloc_one(struct mm_struct *mm);
 
-static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
-					  unsigned long address)
+static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
 {
 	return srmmu_get_nocache(PTE_SIZE, PTE_SIZE);
 }
diff --git a/arch/sparc/include/asm/pgalloc_64.h b/arch/sparc/include/asm/pgalloc_64.h
index 874632f34f62..48abccba4991 100644
--- a/arch/sparc/include/asm/pgalloc_64.h
+++ b/arch/sparc/include/asm/pgalloc_64.h
@@ -60,10 +60,8 @@ static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
 	kmem_cache_free(pgtable_cache, pmd);
 }
 
-pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
-			    unsigned long address);
-pgtable_t pte_alloc_one(struct mm_struct *mm,
-			unsigned long address);
+pte_t *pte_alloc_one_kernel(struct mm_struct *mm);
+pgtable_t pte_alloc_one(struct mm_struct *mm);
 void pte_free_kernel(struct mm_struct *mm, pte_t *pte);
 void pte_free(struct mm_struct *mm, pgtable_t ptepage);
 
diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h
index 1393a8ac596b..22500c3be7a9 100644
--- a/arch/sparc/include/asm/pgtable_64.h
+++ b/arch/sparc/include/asm/pgtable_64.h
@@ -231,36 +231,6 @@ extern unsigned long _PAGE_ALL_SZ_BITS;
 extern struct page *mem_map_zero;
 #define ZERO_PAGE(vaddr)	(mem_map_zero)
 
-/* This macro must be updated when the size of struct page grows above 80
- * or reduces below 64.
- * The idea that compiler optimizes out switch() statement, and only
- * leaves clrx instructions
- */
-#define	mm_zero_struct_page(pp) do {					\
-	unsigned long *_pp = (void *)(pp);				\
-									\
-	 /* Check that struct page is either 64, 72, or 80 bytes */	\
-	BUILD_BUG_ON(sizeof(struct page) & 7);				\
-	BUILD_BUG_ON(sizeof(struct page) < 64);				\
-	BUILD_BUG_ON(sizeof(struct page) > 80);				\
-									\
-	switch (sizeof(struct page)) {					\
-	case 80:							\
-		_pp[9] = 0;	/* fallthrough */			\
-	case 72:							\
-		_pp[8] = 0;	/* fallthrough */			\
-	default:							\
-		_pp[7] = 0;						\
-		_pp[6] = 0;						\
-		_pp[5] = 0;						\
-		_pp[4] = 0;						\
-		_pp[3] = 0;						\
-		_pp[2] = 0;						\
-		_pp[1] = 0;						\
-		_pp[0] = 0;						\
-	}								\
-} while (0)
-
 /* PFNs are real physical page numbers.  However, mem_map only begins to record
  * per-page information starting at pfn_base.  This is to handle systems where
  * the first physical page in the machine is at some huge physical address,
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index 3c8aac21f426..b4221d3727d0 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -2925,8 +2925,7 @@ void __flush_tlb_all(void)
 			     : : "r" (pstate));
 }
 
-pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
-			    unsigned long address)
+pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
 {
 	struct page *page = alloc_page(GFP_KERNEL | __GFP_ZERO);
 	pte_t *pte = NULL;
@@ -2937,8 +2936,7 @@ pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
 	return pte;
 }
 
-pgtable_t pte_alloc_one(struct mm_struct *mm,
-			unsigned long address)
+pgtable_t pte_alloc_one(struct mm_struct *mm)
 {
 	struct page *page = alloc_page(GFP_KERNEL | __GFP_ZERO);
 	if (!page)
diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c
index a6142c5abf61..b609362e846f 100644
--- a/arch/sparc/mm/srmmu.c
+++ b/arch/sparc/mm/srmmu.c
@@ -364,12 +364,12 @@ pgd_t *get_pgd_fast(void)
  * Alignments up to the page size are the same for physical and virtual
  * addresses of the nocache area.
  */
-pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address)
+pgtable_t pte_alloc_one(struct mm_struct *mm)
 {
 	unsigned long pte;
 	struct page *page;
 
-	if ((pte = (unsigned long)pte_alloc_one_kernel(mm, address)) == 0)
+	if ((pte = (unsigned long)pte_alloc_one_kernel(mm)) == 0)
 		return NULL;
 	page = pfn_to_page(__nocache_pa(pte) >> PAGE_SHIFT);
 	if (!pgtable_page_ctor(page)) {
diff --git a/arch/um/include/asm/pgalloc.h b/arch/um/include/asm/pgalloc.h
index bf90b2aa2002..99eb5682792a 100644
--- a/arch/um/include/asm/pgalloc.h
+++ b/arch/um/include/asm/pgalloc.h
@@ -25,8 +25,8 @@
 extern pgd_t *pgd_alloc(struct mm_struct *);
 extern void pgd_free(struct mm_struct *mm, pgd_t *pgd);
 
-extern pte_t *pte_alloc_one_kernel(struct mm_struct *, unsigned long);
-extern pgtable_t pte_alloc_one(struct mm_struct *, unsigned long);
+extern pte_t *pte_alloc_one_kernel(struct mm_struct *);
+extern pgtable_t pte_alloc_one(struct mm_struct *);
 
 static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte)
 {
diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
index 1067469ba2ea..799b571a8f88 100644
--- a/arch/um/kernel/mem.c
+++ b/arch/um/kernel/mem.c
@@ -51,8 +51,8 @@ void __init mem_init(void)
 
 	/* this will put all low memory onto the freelists */
 	memblock_free_all();
-	max_low_pfn = totalram_pages;
-	max_pfn = totalram_pages;
+	max_low_pfn = totalram_pages();
+	max_pfn = max_low_pfn;
 	mem_init_print_info(NULL);
 	kmalloc_ok = 1;
 }
@@ -199,7 +199,7 @@ void pgd_free(struct mm_struct *mm, pgd_t *pgd)
 	free_page((unsigned long) pgd);
 }
 
-pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address)
+pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
 {
 	pte_t *pte;
 
@@ -207,7 +207,7 @@ pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address)
 	return pte;
 }
 
-pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address)
+pgtable_t pte_alloc_one(struct mm_struct *mm)
 {
 	struct page *pte;
 
diff --git a/arch/unicore32/include/asm/bitops.h b/arch/unicore32/include/asm/bitops.h
index c0cbdbe17168..de5853761c22 100644
--- a/arch/unicore32/include/asm/bitops.h
+++ b/arch/unicore32/include/asm/bitops.h
@@ -22,7 +22,7 @@
  * the cntlz instruction for much better code efficiency.
  */
 
-static inline int fls(int x)
+static inline int fls(unsigned int x)
 {
 	int ret;
 
diff --git a/arch/unicore32/include/asm/pgalloc.h b/arch/unicore32/include/asm/pgalloc.h
index f0fdb268f8f2..7cceabecf4e3 100644
--- a/arch/unicore32/include/asm/pgalloc.h
+++ b/arch/unicore32/include/asm/pgalloc.h
@@ -34,7 +34,7 @@ extern void free_pgd_slow(struct mm_struct *mm, pgd_t *pgd);
  * Allocate one PTE table.
  */
 static inline pte_t *
-pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr)
+pte_alloc_one_kernel(struct mm_struct *mm)
 {
 	pte_t *pte;
 
@@ -46,7 +46,7 @@ pte_alloc_one_kernel(struct mm_struct *mm, unsigned long addr)
 }
 
 static inline pgtable_t
-pte_alloc_one(struct mm_struct *mm, unsigned long addr)
+pte_alloc_one(struct mm_struct *mm)
 {
 	struct page *pte;
 
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index c467fd5aeb37..f38e57d65e35 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -173,6 +173,7 @@ config X86
 	select HAVE_MEMBLOCK_NODE_MAP
 	select HAVE_MIXED_BREAKPOINTS_REGS
 	select HAVE_MOD_ARCH_SPECIFIC
+	select HAVE_MOVE_PMD
 	select HAVE_NMI
 	select HAVE_OPROFILE
 	select HAVE_OPTPROBES
diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h
index 124f9195eb3e..ad7b210aa3f6 100644
--- a/arch/x86/include/asm/bitops.h
+++ b/arch/x86/include/asm/bitops.h
@@ -448,7 +448,7 @@ static __always_inline int ffs(int x)
  * set bit if value is nonzero. The last (most significant) bit is
  * at position 32.
  */
-static __always_inline int fls(int x)
+static __always_inline int fls(unsigned int x)
 {
 	int r;
 
diff --git a/arch/x86/include/asm/pgalloc.h b/arch/x86/include/asm/pgalloc.h
index ec7f43327033..f6861b700f5e 100644
--- a/arch/x86/include/asm/pgalloc.h
+++ b/arch/x86/include/asm/pgalloc.h
@@ -47,8 +47,8 @@ extern gfp_t __userpte_alloc_gfp;
 extern pgd_t *pgd_alloc(struct mm_struct *);
 extern void pgd_free(struct mm_struct *mm, pgd_t *pgd);
 
-extern pte_t *pte_alloc_one_kernel(struct mm_struct *, unsigned long);
-extern pgtable_t pte_alloc_one(struct mm_struct *, unsigned long);
+extern pte_t *pte_alloc_one_kernel(struct mm_struct *);
+extern pgtable_t pte_alloc_one(struct mm_struct *);
 
 /* Should really implement gc for free page table pages. This could be
    done with a reference count in struct page. */
diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c
index 2637ff09d6a0..97f9ada9ceda 100644
--- a/arch/x86/kernel/cpu/microcode/core.c
+++ b/arch/x86/kernel/cpu/microcode/core.c
@@ -434,9 +434,10 @@ static ssize_t microcode_write(struct file *file, const char __user *buf,
 			       size_t len, loff_t *ppos)
 {
 	ssize_t ret = -EINVAL;
+	unsigned long nr_pages = totalram_pages();
 
-	if ((len >> PAGE_SHIFT) > totalram_pages) {
-		pr_err("too much data (max %ld pages)\n", totalram_pages);
+	if ((len >> PAGE_SHIFT) > nr_pages) {
+		pr_err("too much data (max %ld pages)\n", nr_pages);
 		return ret;
 	}
 
diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
index 59274e2c1ac4..27f63a74b45d 100644
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -23,12 +23,12 @@ EXPORT_SYMBOL(physical_mask);
 
 gfp_t __userpte_alloc_gfp = PGALLOC_GFP | PGALLOC_USER_GFP;
 
-pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address)
+pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
 {
 	return (pte_t *)__get_free_page(PGALLOC_GFP & ~__GFP_ACCOUNT);
 }
 
-pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address)
+pgtable_t pte_alloc_one(struct mm_struct *mm)
 {
 	struct page *pte;
 
diff --git a/arch/xtensa/include/asm/pgalloc.h b/arch/xtensa/include/asm/pgalloc.h
index 1065bc8bcae5..b3b388ff2f01 100644
--- a/arch/xtensa/include/asm/pgalloc.h
+++ b/arch/xtensa/include/asm/pgalloc.h
@@ -38,8 +38,7 @@ static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
 	free_page((unsigned long)pgd);
 }
 
-static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
-					 unsigned long address)
+static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm)
 {
 	pte_t *ptep;
 	int i;
@@ -52,13 +51,12 @@ static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
 	return ptep;
 }
 
-static inline pgtable_t pte_alloc_one(struct mm_struct *mm,
-					unsigned long addr)
+static inline pgtable_t pte_alloc_one(struct mm_struct *mm)
 {
 	pte_t *pte;
 	struct page *page;
 
-	pte = pte_alloc_one_kernel(mm, addr);
+	pte = pte_alloc_one_kernel(mm);
 	if (!pte)
 		return NULL;
 	page = virt_to_page(pte);