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sh: Default to 4-byte alignment for SLUB objects. 

Slub currently defaults to 8-byte alignment for the kmalloc
and slab minalign values, where 4 will suffice. In the slab
case BYTES_PER_WORD == 4 already, so defining the minalign
values outright doesn't cause any regressions there either.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2007-06-04 15:46:56 +09:00 committed by Paul Mundt
parent f11b71e657
commit cbd2d9d8fc
1 changed files with 7 additions and 0 deletions
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7
include/asm-sh/page.h
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@ -151,5 +151,12 @@ typedef struct { unsigned long pgd; } pgd_t;
#define __HAVE_ARCH_GATE_AREA
#endif
/*
* Slub defaults to 8-byte alignment, we're only interested in 4.
* Slab defaults to BYTES_PER_WORD, which ends up being the same anyways.
*/
#define ARCH_KMALLOC_MINALIGN 4
#define ARCH_SLAB_MINALIGN 4
#endif /* __KERNEL__ */
#endif /* __ASM_SH_PAGE_H */