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author | Octavian Purdila <opurdila@ixiacom.com> | 2010-12-13 12:44:07 (GMT) |
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committer | David S. Miller <davem@davemloft.net> | 2010-12-16 22:04:44 (GMT) |
commit | 443457242beb6716b43db4d62fe148eab5515505 (patch) | |
tree | 0dbcf7dbaa7c6be6ca84631f3e865cde3d6b59f2 /include/net/tcp.h | |
parent | c6c8fea29769d998d94fcec9b9f14d4b52b349d3 (diff) | |
download | linux-443457242beb6716b43db4d62fe148eab5515505.tar.xz |
net: factorize sync-rcu call in unregister_netdevice_many
Add dev_close_many and dev_deactivate_many to factorize another
sync-rcu operation on the netdevice unregister path.
$ modprobe dummy numdummies=10000
$ ip link set dev dummy* up
$ time rmmod dummy
Without the patch With the patch
real 0m 24.63s real 0m 5.15s
user 0m 0.00s user 0m 0.00s
sys 0m 6.05s sys 0m 5.14s
Signed-off-by: Octavian Purdila <opurdila@ixiacom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/tcp.h')
0 files changed, 0 insertions, 0 deletions