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| author | Nikanth Karthikesan <knikanth@suse.de> | 2009-01-07 18:08:11 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-08 08:31:06 -0800 |
| commit | f9717d28d673468883df8ac34b47268719ac5a3d (patch) | |
| tree | ecb16bf21d33c7eaa34bdfb4af3ecfe2ca11a9b6 /mm | |
| parent | 2c26fdd70c3094fa3e84caf9ef434911933d5477 (diff) | |
| download | lwn-f9717d28d673468883df8ac34b47268719ac5a3d.tar.gz lwn-f9717d28d673468883df8ac34b47268719ac5a3d.zip | |
memcg: check group leader fix
Remove unnecessary codes (...fragments of not-implemented
functionalilty...)
Reported-by: Nikanth Karthikesan <knikanth@suse.de>
Signed-off-by: Nikanth Karthikesan <knikanth@suse.de>
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Cc: Hugh Dickins <hugh@veritas.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/memcontrol.c | 19 |
1 files changed, 2 insertions, 17 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index b9cd57b667d6..b83790083087 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -2008,25 +2008,10 @@ static void mem_cgroup_move_task(struct cgroup_subsys *ss, struct cgroup *old_cont, struct task_struct *p) { - struct mm_struct *mm; - struct mem_cgroup *mem, *old_mem; - - mm = get_task_mm(p); - if (mm == NULL) - return; - - mem = mem_cgroup_from_cont(cont); - old_mem = mem_cgroup_from_cont(old_cont); - /* - * Only thread group leaders are allowed to migrate, the mm_struct is - * in effect owned by the leader + * FIXME: It's better to move charges of this process from old + * memcg to new memcg. But it's just on TODO-List now. */ - if (!thread_group_leader(p)) - goto out; - -out: - mmput(mm); } struct cgroup_subsys mem_cgroup_subsys = { |