Commit 76b99699 authored May 19, 2010 by FUJITA Tomonori Committed by Mike Frysinger May 22, 2010

Blackfin: 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>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

parent eb5400b6

arch/blackfin/include/asm/cache.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -15,6 +15,8 @@
		#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
		#define SMP_CACHE_BYTES L1_CACHE_BYTES

		#define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES

		#ifdef CONFIG_SMP
		#define __cacheline_aligned
		#else