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>
2026-09-26 18:16:26 +00:00 · 2016-03-15 14:57:22 -07:00 · 2016-03-15 14:57:22 -07:00 · 62cccb8c8e
commit 62cccb8c8e
parent 6a93ca8fde
12 changed files with 88 additions and 117 deletions
--- a/fs/buffer.c
+++ b/fs/buffer.c
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
--- a/include/linux/pagemap.h
+++ b/include/linux/pagemap.h
--- a/mm/filemap.c
+++ b/mm/filemap.c
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
--- a/mm/rmap.c
+++ b/mm/rmap.c
--- a/mm/truncate.c
+++ b/mm/truncate.c
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
--- a/mm/workingset.c
+++ b/mm/workingset.c