Commit cbd2d9d8 authored Jun 04, 2007 by Paul Mundt Committed by Paul Mundt Jun 08, 2007

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>

parent f11b71e6

include/asm-sh/page.h

+7 −0

Original line number	Diff line number	Diff line
		@@ -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 */