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authorJohannes Weiner <hannes@cmpxchg.org>2017-05-03 14:52:00 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-05-03 15:52:07 -0700
commit15038d0de9eca33f66bc1fed4243914906e04de4 (patch)
tree3e90905951527a79e880f6e19f8a798f21bc2e39 /mm/migrate.c
parent047d72c30eedcb953222810f1e7dcaae663aa452 (diff)
downloadlinux-15038d0de9eca33f66bc1fed4243914906e04de4.tar.bz2
mm: remove unnecessary reclaimability check from NUMA balancing target
NUMA balancing already checks the watermarks of the target node to decide whether it's a suitable balancing target. Whether the node is reclaimable or not is irrelevant when we don't intend to reclaim. Link: http://lkml.kernel.org/r/20170228214007.5621-5-hannes@cmpxchg.org Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> Acked-by: Hillf Danton <hillf.zj@alibaba-inc.com> Acked-by: Michal Hocko <mhocko@suse.com> Cc: Jia He <hejianet@gmail.com> Cc: Mel Gorman <mgorman@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/migrate.c')
-rw-r--r--mm/migrate.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/mm/migrate.c b/mm/migrate.c
index 738f1d5f8350..5c5df09ac962 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1722,9 +1722,6 @@ static bool migrate_balanced_pgdat(struct pglist_data *pgdat,
{
int z;
- if (!pgdat_reclaimable(pgdat))
- return false;
-
for (z = pgdat->nr_zones - 1; z >= 0; z--) {
struct zone *zone = pgdat->node_zones + z;