From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx155.postini.com [74.125.245.155]) by kanga.kvack.org (Postfix) with SMTP id F00E46B0081 for ; Fri, 22 Mar 2013 05:54:55 -0400 (EDT) Message-ID: <514C2A43.3020008@huawei.com> Date: Fri, 22 Mar 2013 17:54:11 +0800 From: Jianguo Wu MIME-Version: 1.0 Subject: [PATCH] mm/hotplug: only free wait_table if it's allocated by vmalloc Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: Tang Chen , Wen Congyang , Liujiang , qiuxishi , linux-mm@kvack.org zone->wait_table may be allocated from bootmem, it can not be freed. Cc: Andrew Morton Cc: Wen Congyang Cc: Tang Chen Cc: Jiang Liu Cc: linux-mm@kvack.org Signed-off-by: Jianguo Wu --- mm/memory_hotplug.c | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-) diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 07b6263..91ed7cd 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -1779,7 +1779,11 @@ void try_offline_node(int nid) for (i = 0; i < MAX_NR_ZONES; i++) { struct zone *zone = pgdat->node_zones + i; - if (zone->wait_table) + /* + * wait_table may be allocated from boot memory, + * here only free if it's allocated by vmalloc. + */ + if (is_vmalloc_addr(zone->wait_table)) vfree(zone->wait_table); } -- 1.7.6.1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org