On Fri, 4 Mar 2011 17:28:15 +0900
KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx> wrote:
This seems....
> ==
> static void mem_cgroup_start_move(struct mem_cgroup *mem)
> {
> .....
> put_online_cpus();
>
> synchronize_rcu(); <---------(*)
> }
> ==
>
But this may scan LRU of memcg forever and SysRq+T just shows
above stack.
I'll check a tree before THP and force_empty again
-Kame
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