path: root/security/device_cgroup.c
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authorBen Blum <bblum@google.com>2009-09-23 15:56:29 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-24 07:20:58 -0700
commitc378369d8b4fa516ff2b1e79c3eded4e0e955ebb (patch)
tree33dff6fa14c5b70cf25368b1bde57e5610a308b3 /security/device_cgroup.c
parentd1d9fd3308fdef6b4bf564fa3d6cfe35b68b50bc (diff)
cgroups: change css_set freeing mechanism to be under RCU
Changes css_set freeing mechanism to be under RCU This is a prepatch for making the procs file writable. In order to free the old css_sets for each task to be moved as they're being moved, the freeing mechanism must be RCU-protected, or else we would have to have a call to synchronize_rcu() for each task before freeing its old css_set. Signed-off-by: Ben Blum <bblum@google.com> Signed-off-by: Paul Menage <menage@google.com> Cc: "Paul E. McKenney" <paulmck@us.ibm.com> Acked-by: Li Zefan <lizf@cn.fujitsu.com> Cc: Matt Helsley <matthltc@us.ibm.com> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'security/device_cgroup.c')
0 files changed, 0 insertions, 0 deletions