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Message-Id: <1367539263-19999-28-git-send-email-cody@linux.vnet.ibm.com>
Date: Thu, 2 May 2013 17:00:59 -0700
From: Cody P Schafer <cody@...ux.vnet.ibm.com>
To: Linux MM <linux-mm@...ck.org>
Cc: LKML <linux-kernel@...r.kernel.org>,
Cody P Schafer <cody@...ux.vnet.ibm.com>,
Simon Jeons <simon.jeons@...il.com>
Subject: [RFC PATCH v3 27/31] mm/memory_hotplug: VM_BUG if nid is too large.
Signed-off-by: Cody P Schafer <cody@...ux.vnet.ibm.com>
---
mm/memory_hotplug.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 8e6658d..320d914 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -1071,6 +1071,8 @@ int __mem_online_node(int nid)
pg_data_t *pgdat;
int ret;
+ VM_BUG_ON(nid >= nr_node_ids);
+
pgdat = hotadd_new_pgdat(nid, 0);
if (!pgdat)
return -ENOMEM;
--
1.8.2.2
--
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