forked from Minki/linux
memcg: remove redundant check in move_task()
It's guaranteed by cgroup that old_cgrp != cgrp. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Cc: Paul Menage <menage@google.com> Cc: Cedric Le Goater <clg@fr.ibm.com> Cc: Balbir Singh <balbir@in.ibm.com> Acked-by: 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>
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@ -1168,9 +1168,6 @@ static void mem_cgroup_move_task(struct cgroup_subsys *ss,
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mem = mem_cgroup_from_cont(cont);
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old_mem = mem_cgroup_from_cont(old_cont);
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if (mem == old_mem)
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goto out;
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/*
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* Only thread group leaders are allowed to migrate, the mm_struct is
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* in effect owned by the leader
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