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| author | Mel Gorman <mgorman@techsingularity.net> | 2016-07-28 15:47:20 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-07-28 16:07:41 -0700 |
| commit | 22fecdf5e1702a7724d7cd8697212307e25f571c (patch) | |
| tree | 7092cc71842e03d1dbc14054f781c832e9ab1beb /mm | |
| parent | 7ee36a14f06cc937f6b2c2932c2e48f590970581 (diff) | |
| download | linux-22fecdf5e1702a7724d7cd8697212307e25f571c.tar.gz linux-22fecdf5e1702a7724d7cd8697212307e25f571c.tar.bz2 linux-22fecdf5e1702a7724d7cd8697212307e25f571c.zip | |
mm, vmscan: remove redundant check in shrink_zones()
As pointed out by Minchan Kim, shrink_zones() checks for populated zones
in a zonelist but a zonelist can never contain unpopulated zones. While
it's not related to the node-lru series, it can be cleaned up now.
Link: http://lkml.kernel.org/r/1468853426-12858-2-git-send-email-mgorman@techsingularity.net
Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
Suggested-by: Minchan Kim <minchan@kernel.org>
Acked-by: Minchan Kim <minchan@kernel.org>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/vmscan.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index b3f5b359280d..4978ee9b5892 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2605,9 +2605,6 @@ static void shrink_zones(struct zonelist *zonelist, struct scan_control *sc) for_each_zone_zonelist_nodemask(zone, z, zonelist, sc->reclaim_idx, sc->nodemask) { - if (!populated_zone(zone)) - continue; - /* * Take care memory controller reclaiming has small influence * to global LRU. |