From c18dea8361b63c3f2c200a8f6fe4a85a6198f6ac Mon Sep 17 00:00:00 2001
From: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Date: Fri, 15 Jan 2010 17:01:25 -0800
Subject: [PATCH] --- yaml --- r: 179353 b: refs/heads/master c:
 de3fab39348dff18c69a0cd04efee9c276a02f51 h: refs/heads/master i:   179351:
 31036ddcf8432cfdaf997172bf2050543b21dd61 v: v3

---
 [refs]            | 2 +-
 trunk/mm/vmscan.c | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index 7581f63ee0e4..6f6454531636 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: af2422c42c0ff42b8b93dbb3a5fe65250fb65c40
+refs/heads/master: de3fab39348dff18c69a0cd04efee9c276a02f51
diff --git a/trunk/mm/vmscan.c b/trunk/mm/vmscan.c
index 885207a6b6b7..c26986c85ce0 100644
--- a/trunk/mm/vmscan.c
+++ b/trunk/mm/vmscan.c
@@ -1922,6 +1922,9 @@ static int sleeping_prematurely(pg_data_t *pgdat, int order, long remaining)
 		if (!populated_zone(zone))
 			continue;
 
+		if (zone_is_all_unreclaimable(zone))
+			continue;
+
 		if (!zone_watermark_ok(zone, order, high_wmark_pages(zone),
 								0, 0))
 			return 1;