From: Lee Schermerhorn <Lee.Schermerhorn@hp.com>

We need to initialize all scan_controls' isolate_pages member.  Otherwise,
shrink_active_list() attempts to execute at undefined location.

Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Cc: Balbir Singh <balbir@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/vmscan.c |    2 ++
 1 file changed, 2 insertions(+)

diff -puN mm/vmscan.c~memory-controller-add-per-cgroup-lru-and-reclaim-v7-fix-2 mm/vmscan.c
--- a/mm/vmscan.c~memory-controller-add-per-cgroup-lru-and-reclaim-v7-fix-2
+++ a/mm/vmscan.c
@@ -1757,6 +1757,7 @@ unsigned long shrink_all_memory(unsigned
 		.swap_cluster_max = nr_pages,
 		.may_writepage = 1,
 		.swappiness = vm_swappiness,
+		.isolate_pages = isolate_pages_global,
 	};
 
 	current->reclaim_state = &reclaim_state;
@@ -1942,6 +1943,7 @@ static int __zone_reclaim(struct zone *z
 					SWAP_CLUSTER_MAX),
 		.gfp_mask = gfp_mask,
 		.swappiness = vm_swappiness,
+		.isolate_pages = isolate_pages_global,
 	};
 	unsigned long slab_reclaimable;
 
_