]> Pileus Git - ~andy/linux/commit
ipvs: use cond_resched_rcu() helper when walking connections
authorSimon Horman <horms@verge.net.au>
Wed, 22 May 2013 05:50:32 +0000 (14:50 +0900)
committerPablo Neira Ayuso <pablo@netfilter.org>
Thu, 23 May 2013 12:23:18 +0000 (14:23 +0200)
commita38e5e230e3f4e7bc9195d3e7a81567c888257ca
tree4535af1dfe823da8100ae291a19155dbc70669e5
parentf6f3c437d09e2f62533034e67bfb4385191e992c
ipvs: use cond_resched_rcu() helper when walking connections

This avoids the situation where walking of a large number of connections
may prevent scheduling for a long time while also avoiding excessive
calls to rcu_read_unlock() and rcu_read_lock().

Note that in the case of !CONFIG_PREEMPT_RCU this will
add a call to cond_resched().

Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Simon Horman <horms@verge.net.au>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
net/netfilter/ipvs/ip_vs_conn.c