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memcg: kill CONFIG_MM_OWNER

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CONFIG_MM_OWNER makes no sense.  It is not user-selectable, it is only
selected by CONFIG_MEMCG automatically.  So we can kill this option in
init/Kconfig and do s/CONFIG_MM_OWNER/CONFIG_MEMCG/ globally.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Michal Hocko <mhocko@suse.cz>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Oleg Nesterov
2014-06-04 16:07:34 -07:00
committed by Linus Torvalds
parent 64ac4940d5
commit f98bafa06a
5 changed files with 7 additions and 14 deletions
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4
kernel/exit.c
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@ -352,7 +352,7 @@ int disallow_signal(int sig)
EXPORT_SYMBOL(disallow_signal);
#ifdef CONFIG_MM_OWNER
#ifdef CONFIG_MEMCG
/*
* A task is exiting. If it owned this mm, find a new owner for the mm.
*/
@ -434,7 +434,7 @@ assign_new_owner:
task_unlock(c);
put_task_struct(c);
}
#endif /* CONFIG_MM_OWNER */
#endif /* CONFIG_MEMCG */
/*
* Turn us into a lazy TLB process if we