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| author | David Woodhouse <dwmw2@infradead.org> | 2010-05-19 15:01:42 +0400 |
|---|---|---|
| committer | Pekka Enberg <penberg@cs.helsinki.fi> | 2010-05-19 23:03:13 +0400 |
| commit | 1f0ce8b3dd667dca720a47869f8110c298f0e5b8 (patch) | |
| tree | c0e260b5d8e6d3fe55be2bf6772265ad48878efd /mm/slab.c | |
| parent | e40152ee1e1c7a63f4777791863215e3faa37a86 (diff) | |
| download | linux-1f0ce8b3dd667dca720a47869f8110c298f0e5b8.tar.xz | |
mm: Move ARCH_SLAB_MINALIGN and ARCH_KMALLOC_MINALIGN to <linux/slab_def.h>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Diffstat (limited to 'mm/slab.c')
| -rw-r--r-- | mm/slab.c | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/mm/slab.c b/mm/slab.c index bac0f4fcc216..7401ddc24306 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -144,30 +144,6 @@ #define BYTES_PER_WORD sizeof(void *) #define REDZONE_ALIGN max(BYTES_PER_WORD, __alignof__(unsigned long long)) -#ifndef ARCH_KMALLOC_MINALIGN -/* - * Enforce a minimum alignment for the kmalloc caches. - * Usually, the kmalloc caches are cache_line_size() aligned, except when - * DEBUG and FORCED_DEBUG are enabled, then they are BYTES_PER_WORD aligned. - * Some archs want to perform DMA into kmalloc caches and need a guaranteed - * alignment larger than the alignment of a 64-bit integer. - * ARCH_KMALLOC_MINALIGN allows that. - * Note that increasing this value may disable some debug features. - */ -#define ARCH_KMALLOC_MINALIGN __alignof__(unsigned long long) -#endif - -#ifndef ARCH_SLAB_MINALIGN -/* - * Enforce a minimum alignment for all caches. - * Intended for archs that get misalignment faults even for BYTES_PER_WORD - * aligned buffers. Includes ARCH_KMALLOC_MINALIGN. - * If possible: Do not enable this flag for CONFIG_DEBUG_SLAB, it disables - * some debug features. - */ -#define ARCH_SLAB_MINALIGN 0 -#endif - #ifndef ARCH_KMALLOC_FLAGS #define ARCH_KMALLOC_FLAGS SLAB_HWCACHE_ALIGN #endif |