[PATCH] Revert "UBUNTU: SAUCE: (no-up) If zone is so small that watermarks are the same, stop zone balance."

[Seth Forshee]

BugLink: http://bugs.launchpad.net/bugs/1632894

This reverts commit 6d748af3bb9d0b670e7d72da11faaf79a45120f5,
which was errantly deemed appropriate to yakkety but is not
needed.

Signed-off-by: Seth Forshee <seth.forshee at canonical.com>
---
 mm/vmscan.c | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/mm/vmscan.c b/mm/vmscan.c
index 9e2b3e5821c7..0fe8b7113868 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -3080,13 +3080,6 @@ static bool zone_balanced(struct zone *zone, int order, int classzone_idx)
 {
 	unsigned long mark = high_wmark_pages(zone);
 
-	/*
-	 * if zone is so small that watermarks are the same, don't bother trying
-	 * to balance; kswapd would just spin continuously trying to balance it.
-	 */
-	if (low_wmark_pages(zone) == mark)
-		return true;
-
 	if (!zone_watermark_ok_safe(zone, order, mark, classzone_idx))
 		return false;
 
-- 
2.7.4