Blackfin: set ARCH_KMALLOC_MINALIGN

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commit 76b99699a2 upstream.

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>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

...

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FUJITA Tomonori 2010-05-19 23:21:38 -04:00 • committed by Greg Kroah-Hartman

parent 91cb08a13a

commit 6e9fe9b3f0

1 changed files with 2 additions and 0 deletions

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arch/blackfin/include/asm/cache.h

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