Patch: Linux kernel to 3.0.96

Change-Id: I939703f50f862d6a4a0c8609aa1aab709a139646
memcg: let css_get_next() rely upon rcu_read_lock()

Remove lock and unlock around css_get_next()'s call to idr_get_next().
memcg iterators (only users of css_get_next) already did rcu_read_lock(),
and its comment demands that; but add a WARN_ON_ONCE to make sure of it.

Signed-off-by: Hugh Dickins <hughd@google.com>
Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: nobodyAtall <tsogkas@ceid.upatras.gr>
Merge branch 'cm-10.2' of github.com:johnnyslt/android_kernel_htc_msm8660 into cm-10.2