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| author | Johannes Weiner <hannes@cmpxchg.org> | 2016-07-27 01:27:01 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-07-27 02:19:19 +0300 |
| commit | cb773df88a737d7d7e05ca7ca516414d3fcdcab8 (patch) | |
| tree | c5115d320c993dbfb26f3948460df3c6d4720e27 /mm | |
| parent | 1fe4d021acbc356723818a633fe0a10c59c2a4c1 (diff) | |
| download | linux-cb773df88a737d7d7e05ca7ca516414d3fcdcab8.tar.xz | |
cgroup: remove unnecessary 0 check from css_from_id()
css_idr allocation starts at 1, so index 0 will never point to an item.
css_from_id() currently filters that before asking idr_find(), but
idr_find() would also just return NULL, so this is not needed.
Link: http://lkml.kernel.org/r/20160617162427.GC19084@cmpxchg.org
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Vladimir Davydov <vdavydov@virtuozzo.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Nikolay Borisov <kernel@kyup.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
0 files changed, 0 insertions, 0 deletions