Thread (5 messages) 5 messages, 3 authors, 2012-07-06

Re: [PATCH] mm/memcg: add BUG() to mem_cgroup_reset

From: Gavin Shan <hidden>
Date: 2012-07-06 05:20:12
Also in: linux-mm, lkml

On Fri, Jul 06, 2012 at 11:44:57AM +0800, Wanpeng Li wrote:
quoted hunk ↗ jump to hunk
From: Wanpeng Li <redacted>

Branch in mem_cgroup_reset only can be RES_MAX_USAGE, RES_FAILCNT.

Signed-off-by: Wanpeng Li <redacted>
---
mm/memcontrol.c |    2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index a501660..5e4d1ab 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -3976,6 +3976,8 @@ static int mem_cgroup_reset(struct cgroup *cont, unsigned int event)
		else
			res_counter_reset_failcnt(&memcg->memsw);
		break;
+	default:
+		BUG();
It might be not convinced to have "BUG()" here. You might add
something for debugging purpose. For example,
	default:
		printk(KERN_WARNING "%s: Unrecognized name %d\n",
			__func__, name);

Thanks,
Gavin
 
	}

	return 0;
-- 
1.7.5.4

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