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x86: align to clflush size

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Do it instead of using the conservative approach we're currently
doing. This is the way x86_64 does, and this patch makes this piece
of code the same between them, ready to be integrated.

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Glauber Costa 2008-03-25 18:36:35 -03:00 committed by Ingo Molnar
parent 802c1f6648
commit b48ee71352
1 changed files with 1 additions and 1 deletions
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2
include/asm-x86/dma-mapping_32.h
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@ -21,7 +21,7 @@ dma_get_cache_alignment(void)
{
/* no easy way to get cache size on all x86, so return the
* maximum possible, to be safe */
return (1 << INTERNODE_CACHE_SHIFT);
return boot_cpu_data.x86_clflush_size;
}
#define dma_is_consistent(d, h) (1)