From: Stephen Hemminger <shemminger@linux-foundation.org>

Tne network code does memset for 6 and 8 byte values, that can easily
be optimized into simple assignments without string instructions.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 include/asm-i386/string.h |    8 ++++++++
 1 files changed, 8 insertions(+)

diff -puN include/asm-i386/string.h~i386-optimize-memset-of-6-and-8-bytes include/asm-i386/string.h
--- a/include/asm-i386/string.h~i386-optimize-memset-of-6-and-8-bytes
+++ a/include/asm-i386/string.h
@@ -228,6 +228,14 @@ static __always_inline void * __constant
 		case 4:
 			*(unsigned long *)s = pattern;
 			return s;
+		case 6:
+			*(unsigned long *)s = pattern;
+			*(2+(unsigned short *)s) = pattern;
+			return s;
+		case 8:
+			*(unsigned long *)s = pattern;
+			*(1+(unsigned long *)s) = pattern;
+			return s;
 	}
 #define COMMON(x) \
 __asm__  __volatile__( \
_