diff options
| author |   Shakeel Butt <shakeelb@google.com> | 2019-03-05 15:43:13 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2019-03-05 21:07:15 -0800 |
| commit | 60cd4bcd62384cfa1e5890cebacccf08b3161156 (patch) | |
| tree | 98f36784147eccafe2f042a415ee756ad7f8d07b /fs/pipe.c | |
| parent | mm, slub: make the comment of put_cpu_partial() complete (diff) | |
| download | linux-dev-60cd4bcd62384cfa1e5890cebacccf08b3161156.tar.xz linux-dev-60cd4bcd62384cfa1e5890cebacccf08b3161156.zip | |
memcg: localize memcg_kmem_enabled() check
Move the memcg_kmem_enabled() checks into memcg kmem charge/uncharge
functions, so, the users don't have to explicitly check that condition.
This is purely code cleanup patch without any functional change. Only
the order of checks in memcg_charge_slab() can potentially be changed
but the functionally it will be same. This should not matter as
memcg_charge_slab() is not in the hot path.
Link: http://lkml.kernel.org/r/20190103161203.162375-1-shakeelb@google.com
Signed-off-by: Shakeel Butt <shakeelb@google.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Cc: Roman Gushchin <guro@fb.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/pipe.c')
| -rw-r--r-- | fs/pipe.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/pipe.c b/fs/pipe.c index bdc5d3c0977d..51d5fd8840ab 100644 --- a/fs/pipe.c +++ b/fs/pipe.c @@ -140,8 +140,7 @@ static int anon_pipe_buf_steal(struct pipe_inode_info *pipe, struct page *page = buf->page; if (page_count(page) == 1) { - if (memcg_kmem_enabled()) - memcg_kmem_uncharge(page, 0); + memcg_kmem_uncharge(page, 0); __SetPageLocked(page); return 0; } |