mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-12 13:55:32 +00:00
frv: 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: David Howells <dhowells@redhat.com> 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>
This commit is contained in:
parent
7ca8b9c0da
commit
69dcf3db03
1 changed files with 2 additions and 0 deletions
|
@ -17,6 +17,8 @@
|
|||
#define L1_CACHE_SHIFT (CONFIG_FRV_L1_CACHE_SHIFT)
|
||||
#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT)
|
||||
|
||||
#define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES
|
||||
|
||||
#define __cacheline_aligned __attribute__((aligned(L1_CACHE_BYTES)))
|
||||
#define ____cacheline_aligned __attribute__((aligned(L1_CACHE_BYTES)))
|
||||
|
||||
|
|
Loading…
Reference in a new issue