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| author | Dan Williams <dan.j.williams@intel.com> | 2018-12-04 22:37:06 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-12-05 09:03:05 +0100 |
| commit | c683c37cd13246941924c48f6c6a9863425e0cec (patch) | |
| tree | 47fc1c79f41632b8eaf72ce3c8a971bd2028b105 /include/asm-generic | |
| parent | x86/fault: Clean up the page fault oops decoder a bit (diff) | |
| download | linux-c683c37cd13246941924c48f6c6a9863425e0cec.tar.xz linux-c683c37cd13246941924c48f6c6a9863425e0cec.zip | |
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 <dan.j.williams@intel.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@surriel.com>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/154395942644.32119.10238934183949418128.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/asm-generic')
| -rw-r--r-- | include/asm-generic/pgtable.h | 14 |
1 files changed, 0 insertions, 14 deletions
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 |