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(parent: 30a3ae3) | patch
gro: Optimise length comparison in skb_gro_header
authorHerbert Xu <herbert@gondor.apana.org.au>
Tue, 26 May 2009 18:50:27 +0000 (18:50 +0000)
committerDavid S. Miller <davem@davemloft.net>
Wed, 27 May 2009 10:26:01 +0000 (03:26 -0700)
commit7489594cb249aeb178287c9a43a9e4f366044259
tree3989b000550aa061d6cd222a83c12c62c1cc0182tree
parent30a3ae30c775e2723f86ef70746ad3cb4404a4c9commit | diff
gro: Optimise length comparison in skb_gro_header

By caching frag0_len, we can avoid checking both frag0 and the
length separately in skb_gro_header.  This helps as skb_gro_header
is called four times per packet which amounts to a few million
times at 10Gb/s.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/linux/netdevice.h diff | blob | history
net/core/dev.c diff | blob | history
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