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ipv6: Create percpu rt6_info

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After the patch
'ipv6: Only create RTF_CACHE routes after encountering pmtu exception',
we need to compensate the performance hit (bouncing dst->__refcnt).

Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Cc: Hannes Frederic Sowa <hannes@stressinduktion.org>
Cc: Steffen Klassert <steffen.klassert@secunet.com>
Cc: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Martin KaFai Lau 2015-05-22 20:56:06 -07:00 • committed by David S. Miller
parent 83a09abd1a
commit d52d3997f8
4 changed files with 142 additions and 18 deletions
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1
include/uapi/linux/ipv6_route.h
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@ -34,6 +34,7 @@
#define RTF_PREF(pref) ((pref) << 27)
#define RTF_PREF_MASK 0x18000000
#define RTF_PCPU 0x40000000
#define RTF_LOCAL 0x80000000