[PATCH 4/4] mm/memcontrol.c: fix "integer as NULL pointer" warning.

[Thiago Farina]

mm/memcontrol.c:2548:32: warning: Using plain integer as NULL pointer

Signed-off-by: Thiago Farina <tfransosi@xxxxxxxxx>
---
 mm/memcontrol.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 954032b..d813823 100644
--- 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;
 		}
-- 
1.6.6.1.383.g5a9f

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