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Message-Id: <1274325703-11092-4-git-send-email-fujita.tomonori@lab.ntt.co.jp> Date: Thu, 20 May 2010 12:21:40 +0900 From: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp> To: linux-kernel@...r.kernel.org, akpm@...ux-foundation.org Cc: davem@...emloft.net, dwmw2@...radead.org, FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>, Geert Uytterhoeven <geert@...ux-m68k.org>, Roman Zippel <zippel@...ux-m68k.org>, stable@...nel.org Subject: [PATCH -mm 3/6] 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 <fujita.tomonori@....ntt.co.jp> Cc: Geert Uytterhoeven <geert@...ux-m68k.org> Cc: Roman Zippel <zippel@...ux-m68k.org> Cc: stable@...nel.org --- 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 fed3fd3..ecafbe1 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 -- 1.6.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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