diff options
| author | FUJITA Tomonori <[email protected]> | 2010-05-23 19:38:14 +0200 |
|---|---|---|
| committer | Geert Uytterhoeven <[email protected]> | 2010-05-26 19:51:06 +0200 |
| commit | dd6c26a66bdc629a500174ffe73b010b070b9f1b (patch) | |
| tree | 0168e8a4a2916eebb1d15e32bc09626d37fedb4f | |
| parent | b417b717093085e45867770b29b9a97692cf132a (diff) | |
m68k: 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 <[email protected]>
Cc: Geert Uytterhoeven <[email protected]>
Cc: Roman Zippel <[email protected]>
Acked-by: Pekka Enberg <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Geert Uytterhoeven <[email protected]>
| -rw-r--r-- | arch/m68k/include/asm/cache.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/cache.h b/arch/m68k/include/asm/cache.h index fed3fd30de7e..ecafbe1718c3 100644 --- a/arch/m68k/include/asm/cache.h +++ b/arch/m68k/include/asm/cache.h @@ -8,4 +8,6 @@ #define L1_CACHE_SHIFT 4 #define L1_CACHE_BYTES (1<< L1_CACHE_SHIFT) +#define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES + #endif |