tree 43a902faf461c65393a4efebf9ff9622017b92b1
parent 6a93ca8fde3cfce0f00f02281139a377c83e8d8c
author Johannes Weiner <hannes@cmpxchg.org> 1458079042 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1458086116 -0700

mm: simplify lock_page_memcg()

Now that migration doesn't clear page->mem_cgroup of live pages anymore,
it's safe to make lock_page_memcg() and the memcg stat functions take
pages, and spare the callers from memcg objects.

[akpm@linux-foundation.org: fix warnings]
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Suggested-by: Vladimir Davydov <vdavydov@virtuozzo.com>
Acked-by: Vladimir Davydov <vdavydov@virtuozzo.com>
Cc: Michal Hocko <mhocko@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>