From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-f171.google.com (mail-pd0-f171.google.com [209.85.192.171]) by kanga.kvack.org (Postfix) with ESMTP id BC68D6B0031 for ; Tue, 1 Oct 2013 07:47:26 -0400 (EDT) Received: by mail-pd0-f171.google.com with SMTP id g10so7096749pdj.16 for ; Tue, 01 Oct 2013 04:47:26 -0700 (PDT) From: Andrew Vagin Subject: [PATCH] mm: don't forget to free shrinker->nr_deferred Date: Tue, 1 Oct 2013 15:47:47 +0400 Message-Id: <1380628067-923868-1-git-send-email-avagin@openvz.org> Sender: owner-linux-mm@kvack.org List-ID: To: linux-mm@kvack.org Cc: linux-kernel@vger.kernel.org, Andrew Morton , Andrew Vagin , Mel Gorman , Michal Hocko , Rik van Riel , Johannes Weiner , Glauber Costa This leak was added by v3.11-8748-g1d3d443 "vmscan: per-node deferred work" unreferenced object 0xffff88006ada3bd0 (size 8): comm "criu", pid 14781, jiffies 4295238251 (age 105.641s) hex dump (first 8 bytes): 00 00 00 00 00 00 00 00 ........ backtrace: [] kmemleak_alloc+0x5e/0xc0 [] __kmalloc+0x247/0x310 [] register_shrinker+0x3c/0xa0 [] sget+0x5ab/0x670 [] proc_mount+0x54/0x170 [] mount_fs+0x43/0x1b0 [] vfs_kern_mount+0x72/0x110 [] kern_mount_data+0x19/0x30 [] pid_ns_prepare_proc+0x20/0x40 [] alloc_pid+0x466/0x4a0 [] copy_process+0xc6a/0x1860 [] do_fork+0x8b/0x370 [] SyS_clone+0x16/0x20 [] stub_clone+0x69/0x90 [] 0xffffffffffffffff Cc: Andrew Morton Cc: Mel Gorman Cc: Michal Hocko Cc: Rik van Riel Cc: Johannes Weiner Cc: Glauber Costa Signed-off-by: Andrew Vagin --- mm/vmscan.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/mm/vmscan.c b/mm/vmscan.c index beb3577..fbd191a 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -210,6 +210,8 @@ void unregister_shrinker(struct shrinker *shrinker) down_write(&shrinker_rwsem); list_del(&shrinker->list); up_write(&shrinker_rwsem); + + kfree(shrinker->nr_deferred); } EXPORT_SYMBOL(unregister_shrinker); -- 1.7.1 -- 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