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mm: kmem: rename memcg_kmem_(un)charge() into memcg_kmem_(un)charge_page()

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Rename (__)memcg_kmem_(un)charge() into (__)memcg_kmem_(un)charge_page()
to better reflect what they are actually doing:

1) call __memcg_kmem_(un)charge_memcg() to actually charge or uncharge
   the current memcg

2) set or clear the PageKmemcg flag

Signed-off-by: Roman Gushchin <guro@fb.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Link: http://lkml.kernel.org/r/20200109202659.752357-4-guro@fb.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Roman Gushchin 2020-04-01 21:06:46 -07:00 • committed by Linus Torvalds
parent 50591183fa
commit f4b00eab50
5 changed files with 25 additions and 21 deletions
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2
fs/pipe.c
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@ -146,7 +146,7 @@ static int anon_pipe_buf_steal(struct pipe_inode_info *pipe,
struct page *page = buf->page;
if (page_count(page) == 1) {
memcg_kmem_uncharge(page, 0);
memcg_kmem_uncharge_page(page, 0);
__SetPageLocked(page);
return 0;
}