diff options
Diffstat (limited to 'arch/unicore32/mm')
| -rw-r--r-- | arch/unicore32/mm/alignment.c | 2 | ||||
| -rw-r--r-- | arch/unicore32/mm/fault.c | 9 | ||||
| -rw-r--r-- | arch/unicore32/mm/init.c | 43 | ||||
| -rw-r--r-- | arch/unicore32/mm/mm.h | 10 | ||||
| -rw-r--r-- | arch/unicore32/mm/proc-ucv2.S | 2 |
5 files changed, 15 insertions, 51 deletions
diff --git a/arch/unicore32/mm/alignment.c b/arch/unicore32/mm/alignment.c index a07ae5cc58e5..2ea98f7a4156 100644 --- a/arch/unicore32/mm/alignment.c +++ b/arch/unicore32/mm/alignment.c @@ -18,8 +18,8 @@ #include <linux/init.h> #include <linux/sched.h> #include <linux/uaccess.h> +#include <linux/pgtable.h> -#include <asm/pgtable.h> #include <asm/tlbflush.h> #include <asm/unaligned.h> diff --git a/arch/unicore32/mm/fault.c b/arch/unicore32/mm/fault.c index 3022104aa613..7654bddde133 100644 --- a/arch/unicore32/mm/fault.c +++ b/arch/unicore32/mm/fault.c @@ -17,7 +17,6 @@ #include <linux/sched/signal.h> #include <linux/io.h> -#include <asm/pgtable.h> #include <asm/tlbflush.h> /* @@ -224,12 +223,12 @@ static int do_pf(unsigned long addr, unsigned int fsr, struct pt_regs *regs) * validly references user space from well defined areas of the code, * we can bug out early if this is from code which shouldn't. */ - if (!down_read_trylock(&mm->mmap_sem)) { + if (!mmap_read_trylock(mm)) { if (!user_mode(regs) && !search_exception_tables(regs->UCreg_pc)) goto no_context; retry: - down_read(&mm->mmap_sem); + mmap_read_lock(mm); } else { /* * The above down_read_trylock() might have succeeded in @@ -247,7 +246,7 @@ retry: fault = __do_pf(mm, addr, fsr, flags, tsk); /* If we need to retry but a fatal signal is pending, handle the - * signal first. We do not need to release the mmap_sem because + * signal first. We do not need to release the mmap_lock because * it would already be released in __lock_page_or_retry in * mm/filemap.c. */ if (fault_signal_pending(fault, regs)) @@ -264,7 +263,7 @@ retry: } } - up_read(&mm->mmap_sem); + mmap_read_unlock(mm); /* * Handle the "normal" case first - VM_FAULT_MAJOR diff --git a/arch/unicore32/mm/init.c b/arch/unicore32/mm/init.c index 6cf010fadc7a..52425d383cea 100644 --- a/arch/unicore32/mm/init.c +++ b/arch/unicore32/mm/init.c @@ -61,46 +61,21 @@ static void __init find_limits(unsigned long *min, unsigned long *max_low, } } -static void __init uc32_bootmem_free(unsigned long min, unsigned long max_low, - unsigned long max_high) +static void __init uc32_bootmem_free(unsigned long max_low) { - unsigned long zone_size[MAX_NR_ZONES], zhole_size[MAX_NR_ZONES]; - struct memblock_region *reg; + unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0 }; - /* - * initialise the zones. - */ - memset(zone_size, 0, sizeof(zone_size)); - - /* - * The memory size has already been determined. If we need - * to do anything fancy with the allocation of this memory - * to the zones, now is the time to do it. - */ - zone_size[0] = max_low - min; - - /* - * Calculate the size of the holes. - * holes = node_size - sum(bank_sizes) - */ - memcpy(zhole_size, zone_size, sizeof(zhole_size)); - for_each_memblock(memory, reg) { - unsigned long start = memblock_region_memory_base_pfn(reg); - unsigned long end = memblock_region_memory_end_pfn(reg); - - if (start < max_low) { - unsigned long low_end = min(end, max_low); - zhole_size[0] -= low_end - start; - } - } + max_zone_pfn[ZONE_DMA] = max_low; + max_zone_pfn[ZONE_NORMAL] = max_low; /* * Adjust the sizes according to any special requirements for * this machine type. + * This might lower ZONE_DMA limit. */ - arch_adjust_zones(zone_size, zhole_size); + arch_adjust_zones(max_zone_pfn); - free_area_init_node(0, zone_size, min, zhole_size); + free_area_init(max_zone_pfn); } int pfn_valid(unsigned long pfn) @@ -176,11 +151,11 @@ void __init bootmem_init(void) sparse_init(); /* - * Now free the memory - free_area_init_node needs + * Now free the memory - free_area_init needs * the sparse mem_map arrays initialized by sparse_init() * for memmap_init_zone(), otherwise all PFNs are invalid. */ - uc32_bootmem_free(min, max_low, max_high); + uc32_bootmem_free(max_low); high_memory = __va((max_low << PAGE_SHIFT) - 1) + 1; diff --git a/arch/unicore32/mm/mm.h b/arch/unicore32/mm/mm.h index 27127abc95fb..f157f5d249ab 100644 --- a/arch/unicore32/mm/mm.h +++ b/arch/unicore32/mm/mm.h @@ -14,16 +14,6 @@ extern int sysctl_overcommit_memory; #define TOP_PTE(x) pte_offset_kernel(top_pmd, x) -static inline pmd_t *pmd_off(pgd_t *pgd, unsigned long virt) -{ - return pmd_offset((pud_t *)pgd, virt); -} - -static inline pmd_t *pmd_off_k(unsigned long virt) -{ - return pmd_off(pgd_offset_k(virt), virt); -} - struct mem_type { unsigned int prot_pte; unsigned int prot_l1; diff --git a/arch/unicore32/mm/proc-ucv2.S b/arch/unicore32/mm/proc-ucv2.S index 8cc9a1b16d60..18f8c4fb21a0 100644 --- a/arch/unicore32/mm/proc-ucv2.S +++ b/arch/unicore32/mm/proc-ucv2.S @@ -8,10 +8,10 @@ */ #include <linux/init.h> #include <linux/linkage.h> +#include <linux/pgtable.h> #include <asm/assembler.h> #include <asm/hwcap.h> #include <asm/pgtable-hwdef.h> -#include <asm/pgtable.h> #include "proc-macros.S" |