vmscan: detect mapped file pages used only once

[safe/jmp/linux-2.6] / mm / memcontrol.c

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 954032b..d813823 100644 (file)
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -2545,7 +2545,7 @@ static int mem_cgroup_force_empty_list(struct mem_cgroup *mem,
                pc = list_entry(list->prev, struct page_cgroup, lru);
                if (busy == pc) {
                        list_move(&pc->lru, list);
-                       busy = 0;
+                       busy = NULL;
                        spin_unlock_irqrestore(&zone->lru_lock, flags);
                        continue;
                }