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(parent: 04dc7f6) | patch
net: Allow xfrm_user_net_exit to batch efficiently.
authorEric W. Biederman <ebiederm@xmission.com>
Thu, 3 Dec 2009 02:29:05 +0000 (02:29 +0000)
committerDavid S. Miller <davem@davemloft.net>
Thu, 3 Dec 2009 20:22:03 +0000 (12:22 -0800)
commitd79d792ef9f99cca463b6619a93e860d1c833a6e
tree06d8a085701546be48ac104fd4f2413a6371180ctree | snapshot
parent04dc7f6be3a7b308f8545bb45772c9fb75f71acacommit | diff
net: Allow xfrm_user_net_exit to batch efficiently.

xfrm.nlsk is provided by the xfrm_user module and is access via rcu from
other parts of the xfrm code.  Add xfrm.nlsk_stash a copy of xfrm.nlsk that
will never be set to NULL.  This allows the synchronize_net and
netlink_kernel_release to be deferred until a whole batch of xfrm.nlsk sockets
have been set to NULL.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/net/netns/xfrm.h diff | blob | history
net/xfrm/xfrm_user.c diff | blob | history
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