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authorFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>2010-05-24 14:31:45 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-25 08:06:56 -0700
commit498900fc9cd1adbad1ba6b55ed9d8f2f5d655ca3 (patch)
treef99c1a1917f7d5f51977af9459bcc63d637ee209 /Documentation
parent7e125f7b9cbfce4101191b8076d606c517a73066 (diff)
xtensa: set ARCH_KMALLOC_MINALIGN
Architectures that handle DMA-non-coherent memory need to set ARCH_KMALLOC_MINALIGN to make sure that kmalloc'ed buffer is DMA-safe: the buffer doesn't share a cache with the others. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Chris Zankel <chris@zankel.net> Acked-by: Pekka Enberg <penberg@cs.helsinki.fi> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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