From: Hugh Dickins <hugh@veritas.com>

do_try_to_free_pages returns 0 or 1, and try_to_free_mem_cgroup_pages returns
0 or 1 accordingly: let's accomplish that in the obvious way.

Signed-off-by: Hugh Dickins <hugh@veritas.com>
Acked-by: Mel Gorman <mel@csn.ul.ie>
Cc: Christoph Lameter <clameter@sgi.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Lee Schermerhorn <lee.schermerhorn@hp.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/vmscan.c |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff -puN mm/vmscan.c~mm-have-zonelist-contains-structs-with-both-a-zone-pointer-and-zone_idx-just-return-do_try_to_free_pages mm/vmscan.c
--- a/mm/vmscan.c~mm-have-zonelist-contains-structs-with-both-a-zone-pointer-and-zone_idx-just-return-do_try_to_free_pages
+++ a/mm/vmscan.c
@@ -1432,9 +1432,7 @@ unsigned long try_to_free_mem_cgroup_pag
 	sc.gfp_mask = (gfp_mask & GFP_RECLAIM_MASK) |
 			(GFP_HIGHUSER_MOVABLE & ~GFP_RECLAIM_MASK);
 	zonelist = NODE_DATA(numa_node_id())->node_zonelists;
-	if (do_try_to_free_pages(zonelist, sc.gfp_mask, &sc))
-		return 1;
-	return 0;
+	return do_try_to_free_pages(zonelist, sc.gfp_mask, &sc);
 }
 #endif
 
_