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| author |   Johannes Weiner <hannes@cmpxchg.org> | 2019-11-30 17:50:06 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2019-12-01 06:29:18 -0800 |
| commit | 7249c9f01da30ae5cd1843a54a8fab9b35dd979d (patch) | |
| tree | a7882212d00ba8c033c0511fcf7ea55bcdad45a5 /mm/memcontrol.c | |
| parent | mm, memcg: clean up reclaim iter array (diff) | |
| download | linux-dev-7249c9f01da30ae5cd1843a54a8fab9b35dd979d.tar.xz linux-dev-7249c9f01da30ae5cd1843a54a8fab9b35dd979d.zip | |
mm: memcontrol: remove dead code from memory_max_write()
When the reclaim loop in memory_max_write() is ^C'd or similar, we set err
to -EINTR. But we don't return err. Once the limit is set, we always
return success (nbytes). Delete the dead code.
Link: http://lkml.kernel.org/r/20191022201518.341216-1-hannes@cmpxchg.org
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/memcontrol.c')
| -rw-r--r-- | mm/memcontrol.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 2788fd5870bc..2bd6d470c5f1 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -6139,10 +6139,8 @@ static ssize_t memory_max_write(struct kernfs_open_file *of, if (nr_pages <= max) break; - if (signal_pending(current)) { - err = -EINTR; + if (signal_pending(current)) break; - } if (!drained) { drain_all_stock(memcg); |