memcg: remove lookup_cgroup_page() prototype
memcg: remove lookup_cgroup_page() prototype

Commit 6b208e3f6e35 ("mm: memcg: remove unused node/section info from
pc->flags") deleted lookup_cgroup_page() but left a prototype for it.

Kill the vestigial prototype.

Signed-off-by: Greg Thelen <1cad85f151cc543af57dbef9a3c3fce0b81e874a@google.com>
Cc: Johannes Weiner <331be22c6b63ca3e0a03d408c2d906b1b02cd5f2@cmpxchg.org>
Acked-by: Michal Hocko <829500b200af6c2a0eca4dfd5c388e6b8fbe8dc6@suse.cz>
Signed-off-by: Andrew Morton <5c1e68b099950c134891f0b6e179498a8ebe9cf9@linux-foundation.org>
Signed-off-by: Linus Torvalds <69652caca27c8b940640ad396ab71f93cacec34f@linux-foundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs