| commit | fae9c791703606636c1220e47f6690660042ce7f | [log] [tgz] |
|---|---|---|
| author | Li Zefan <lizf@cn.fujitsu.com> | Thu Apr 22 17:30:00 2010 +0800 |
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | Tue May 04 09:25:00 2010 -0700 |
| tree | c4d1bf20f4b73ee438ae2c3168b9b7ead1418215 | |
| parent | 9a9686b634acc5cb6b7c601c171ae64af0318a24 [diff] |
cgroup: Fix an RCU warning in alloc_css_id() With CONFIG_PROVE_RCU=y, a warning can be triggered: # mount -t cgroup -o memory xxx /mnt # mkdir /mnt/0 ... kernel/cgroup.c:4442 invoked rcu_dereference_check() without protection! ... This is a false-positive. It's safe to directly access parent_css->id. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>