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-rw-r--r--include/asm-powerpc/system.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/asm-powerpc/system.h b/include/asm-powerpc/system.h
index 65f5a7b2646..d075725bf44 100644
--- a/include/asm-powerpc/system.h
+++ b/include/asm-powerpc/system.h
@@ -365,8 +365,11 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new,
* powers of 2 writes until it reaches sufficient alignment).
*
* Based on this we disable the IP header alignment in network drivers.
+ * We also modify NET_SKB_PAD to be a cacheline in size, thus maintaining
+ * cacheline alignment of buffers.
*/
-#define NET_IP_ALIGN 0
+#define NET_IP_ALIGN 0
+#define NET_SKB_PAD L1_CACHE_BYTES
#endif
#define arch_align_stack(x) (x)