tree 0579cebdbdbb90507db04b320acb4191f8a86f2e
parent 715a5ee82ab3c07430f748630044354132add5ad
author Igor Mammedov <imammedo@redhat.com> 1320266301 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1320275220 -0700

memcg: do not expose uninitialized mem_cgroup_per_node to world

If somebody is touching data too early, it might be easier to diagnose a
problem when dereferencing NULL at mem->info.nodeinfo[node] than trying to
understand why mem_cgroup_per_zone is [un|partly]initialized.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Michal Hocko <mhocko@suse.cz>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>