[PATCH 5/7] [RFC] force 32-byte aligned kmallocs

From: Eric Van Hensbergen
Date: Wed May 18 2011 - 17:25:30 EST


For BGP, it is convenient for 'kmalloc' to come back with 32-byte
aligned units for torus DMA

Signed-off-by: Eric Van Hensbergen <ericvh@xxxxxxxxx>
---
arch/powerpc/include/asm/page_32.h | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/powerpc/include/asm/page_32.h b/arch/powerpc/include/asm/page_32.h
index 68d73b2..fb0a7ae 100644
--- a/arch/powerpc/include/asm/page_32.h
+++ b/arch/powerpc/include/asm/page_32.h
@@ -9,7 +9,7 @@

#define VM_DATA_DEFAULT_FLAGS VM_DATA_DEFAULT_FLAGS32

-#ifdef CONFIG_NOT_COHERENT_CACHE
+#if defined(CONFIG_NOT_COHERENT_CACHE) || defined(CONFIG_BGP)
#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
#endif

--
1.7.4.1

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