From c683c37cd13246941924c48f6c6a9863425e0cec Mon Sep 17 00:00:00 2001 From: Dan Williams Date: Tue, 4 Dec 2018 13:37:06 -0800 Subject: generic/pgtable: Make {pmd, pud}_same() unconditionally available In preparation for {pmd,pud}_same() to be used outside of transparent huge page code paths, make them unconditionally available. This enables them to be used in the definition of a new family of set_{pte,pmd,pud,p4d,pgd}_safe() helpers. Signed-off-by: Dan Williams Acked-by: Kirill A. Shutemov Cc: Andy Lutomirski Cc: Borislav Petkov Cc: Dave Hansen Cc: H. Peter Anvin Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Rik van Riel Cc: Sebastian Andrzej Siewior Cc: Thomas Gleixner Link: http://lkml.kernel.org/r/154395942644.32119.10238934183949418128.stgit@dwillia2-desk3.amr.corp.intel.com Signed-off-by: Ingo Molnar --- include/asm-generic/pgtable.h | 14 -------------- 1 file changed, 14 deletions(-) (limited to 'include/asm-generic') diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h index 359fb935ded6..eea50ef8b8cd 100644 --- a/include/asm-generic/pgtable.h +++ b/include/asm-generic/pgtable.h @@ -375,7 +375,6 @@ static inline int pte_unused(pte_t pte) #endif #ifndef __HAVE_ARCH_PMD_SAME -#ifdef CONFIG_TRANSPARENT_HUGEPAGE static inline int pmd_same(pmd_t pmd_a, pmd_t pmd_b) { return pmd_val(pmd_a) == pmd_val(pmd_b); @@ -385,19 +384,6 @@ static inline int pud_same(pud_t pud_a, pud_t pud_b) { return pud_val(pud_a) == pud_val(pud_b); } -#else /* CONFIG_TRANSPARENT_HUGEPAGE */ -static inline int pmd_same(pmd_t pmd_a, pmd_t pmd_b) -{ - BUILD_BUG(); - return 0; -} - -static inline int pud_same(pud_t pud_a, pud_t pud_b) -{ - BUILD_BUG(); - return 0; -} -#endif /* CONFIG_TRANSPARENT_HUGEPAGE */ #endif #ifndef __HAVE_ARCH_DO_SWAP_PAGE -- cgit v1.2.3