+ mm-remove-unnecessary-reclaimability-check-from-numa-balancing-target.patch added to -mm tree

+ mm-remove-unnecessary-reclaimability-check-from-numa-balancing-target.patch added to -mm tree

[akpm]

The patch titled
     Subject: mm: remove unnecessary reclaimability check from NUMA balancing target
has been added to the -mm tree.  Its filename is
     mm-remove-unnecessary-reclaimability-check-from-numa-balancing-target.patch

This patch should soon appear at
    http://ozlabs.org/~akpm/mmots/broken-out/mm-remove-unnecessary-reclaimability-check-from-numa-balancing-target.patch
and later at
    http://ozlabs.org/~akpm/mmotm/broken-out/mm-remove-unnecessary-reclaimability-check-from-numa-balancing-target.patch

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------------------------------------------------------
From: Johannes Weiner <hannes@cmpxchg.org>
Subject: 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>
Cc: Jia He <hejianet@gmail.com>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: Mel Gorman <mgorman@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/migrate.c |    3 ---
 1 file changed, 3 deletions(-)

diff -puN mm/migrate.c~mm-remove-unnecessary-reclaimability-check-from-numa-balancing-target mm/migrate.c
--- a/mm/migrate.c~mm-remove-unnecessary-reclaimability-check-from-numa-balancing-target
+++ a/mm/migrate.c
@@ -1718,9 +1718,6 @@ static bool migrate_balanced_pgdat(struc
 {
 	int z;
 
-	if (!pgdat_reclaimable(pgdat))
-		return false;