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(parent: eeca668) | patch
net: pack skb_shared_info more efficiently
authorIan Campbell <Ian.Campbell@citrix.com>
Thu, 5 Jan 2012 07:13:39 +0000 (07:13 +0000)
committerDavid S. Miller <davem@davemloft.net>
Thu, 5 Jan 2012 19:01:21 +0000 (14:01 -0500)
commit9f42f126154786e6e76df513004800c8c633f020
tree0f6247b0a7d804fbbace2d12429b7d80c3e7470etree | snapshot
parenteeca6688d6599c28bc449a45facb67d7f203be74commit | diff
net: pack skb_shared_info more efficiently

nr_frags can be 8 bits since 256 is plenty of fragments. This allows it to be
packed with tx_flags.

Also by moving ip6_frag_id and dataref (both 4 bytes) next to each other we can
avoid a hole between ip6_frag_id and frag_list on 64 bit systems.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/linux/skbuff.h diff | blob | history
Domain: System / Kernel;