diff options
| author | Cyrill Gorcunov <[email protected]> | 2014-06-04 16:08:14 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2014-06-04 16:54:05 -0700 |
| commit | 2373eaecff33db5972bde9418f92d6401b4a945c (patch) | |
| tree | 0f7f70bf508dcb3c91fe723661ca30fef32484e7 | |
| parent | fa5bb2093a1d2ba552309a81139e0abebf5325d8 (diff) | |
mm: x86 pgtable: drop unneeded preprocessor ifdef
_PAGE_BIT_FILE (bit 6) is always less than _PAGE_BIT_PROTNONE (bit 8), so
drop redundant #ifdef.
Signed-off-by: Cyrill Gorcunov <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Mel Gorman <[email protected]>
Cc: Peter Anvin <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Steven Noonan <[email protected]>
Cc: Rik van Riel <[email protected]>
Cc: David Vrabel <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Pavel Emelyanov <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | arch/x86/include/asm/pgtable-2level.h | 10 | ||||
| -rw-r--r-- | arch/x86/include/asm/pgtable_64.h | 8 |
2 files changed, 0 insertions, 18 deletions
diff --git a/arch/x86/include/asm/pgtable-2level.h b/arch/x86/include/asm/pgtable-2level.h index 0d193e234647..eec82d4c4473 100644 --- a/arch/x86/include/asm/pgtable-2level.h +++ b/arch/x86/include/asm/pgtable-2level.h @@ -115,13 +115,8 @@ static __always_inline pte_t pgoff_to_pte(pgoff_t off) */ #define PTE_FILE_MAX_BITS 29 #define PTE_FILE_SHIFT1 (_PAGE_BIT_PRESENT + 1) -#if _PAGE_BIT_FILE < _PAGE_BIT_PROTNONE #define PTE_FILE_SHIFT2 (_PAGE_BIT_FILE + 1) #define PTE_FILE_SHIFT3 (_PAGE_BIT_PROTNONE + 1) -#else -#define PTE_FILE_SHIFT2 (_PAGE_BIT_PROTNONE + 1) -#define PTE_FILE_SHIFT3 (_PAGE_BIT_FILE + 1) -#endif #define PTE_FILE_BITS1 (PTE_FILE_SHIFT2 - PTE_FILE_SHIFT1 - 1) #define PTE_FILE_BITS2 (PTE_FILE_SHIFT3 - PTE_FILE_SHIFT2 - 1) @@ -153,13 +148,8 @@ static __always_inline pte_t pgoff_to_pte(pgoff_t off) #endif /* CONFIG_MEM_SOFT_DIRTY */ /* Encode and de-code a swap entry */ -#if _PAGE_BIT_FILE < _PAGE_BIT_PROTNONE #define SWP_TYPE_BITS (_PAGE_BIT_FILE - _PAGE_BIT_PRESENT - 1) #define SWP_OFFSET_SHIFT (_PAGE_BIT_PROTNONE + 1) -#else -#define SWP_TYPE_BITS (_PAGE_BIT_PROTNONE - _PAGE_BIT_PRESENT - 1) -#define SWP_OFFSET_SHIFT (_PAGE_BIT_FILE + 1) -#endif #define MAX_SWAPFILES_CHECK() BUILD_BUG_ON(MAX_SWAPFILES_SHIFT > SWP_TYPE_BITS) diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h index 6d6ecd09883c..5be9063545d2 100644 --- a/arch/x86/include/asm/pgtable_64.h +++ b/arch/x86/include/asm/pgtable_64.h @@ -143,7 +143,6 @@ static inline int pgd_large(pgd_t pgd) { return 0; } #define pte_unmap(pte) ((void)(pte))/* NOP */ /* Encode and de-code a swap entry */ -#if _PAGE_BIT_FILE < _PAGE_BIT_PROTNONE #define SWP_TYPE_BITS (_PAGE_BIT_FILE - _PAGE_BIT_PRESENT - 1) #ifdef CONFIG_NUMA_BALANCING /* Automatic NUMA balancing needs to be distinguishable from swap entries */ @@ -151,13 +150,6 @@ static inline int pgd_large(pgd_t pgd) { return 0; } #else #define SWP_OFFSET_SHIFT (_PAGE_BIT_PROTNONE + 1) #endif -#else -#ifdef CONFIG_NUMA_BALANCING -#error Incompatible format for automatic NUMA balancing -#endif -#define SWP_TYPE_BITS (_PAGE_BIT_PROTNONE - _PAGE_BIT_PRESENT - 1) -#define SWP_OFFSET_SHIFT (_PAGE_BIT_FILE + 1) -#endif #define MAX_SWAPFILES_CHECK() BUILD_BUG_ON(MAX_SWAPFILES_SHIFT > SWP_TYPE_BITS) |