From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail144.messagelabs.com (mail144.messagelabs.com [216.82.254.51]) by kanga.kvack.org (Postfix) with SMTP id 4D83F6B02A5 for ; Sun, 8 Aug 2010 05:50:24 -0400 (EDT) Received: by pxi12 with SMTP id 12so825245pxi.14 for ; Sun, 08 Aug 2010 02:50:23 -0700 (PDT) From: Huang Shijie Subject: [PATCH] percpu : fix the memory leak Date: Sun, 8 Aug 2010 17:53:17 +0800 Message-Id: <1281261197-8816-1-git-send-email-shijie8@gmail.com> Sender: owner-linux-mm@kvack.org To: akpm@linux-foundation.org Cc: tj@kernel.org, linux-mm@kvack.org, Huang Shijie List-ID: The origin code did not free the old map. The patch fixes it. Signed-off-by: Huang Shijie --- mm/percpu.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/mm/percpu.c b/mm/percpu.c index e61dc2c..d1c94e3 100644 --- a/mm/percpu.c +++ b/mm/percpu.c @@ -393,6 +393,7 @@ static int pcpu_extend_area_map(struct pcpu_chunk *chunk, int new_alloc) goto out_unlock; old_size = chunk->map_alloc * sizeof(chunk->map[0]); + old = chunk->map; memcpy(new, chunk->map, old_size); chunk->map_alloc = new_alloc; -- 1.6.6.1 -- 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