From: Andrew Vagin <avagin@openvz.org>
Date: Wed, 16 Oct 2013 20:46:46 +0000 (-0700)
Subject: mm/vmscan.c: don't forget to free shrinker->nr_deferred
X-Git-Tag: v3.12-rc6~11^2~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ae39332162a837c3791bb21172d22382a90a6fd1;p=pandora-kernel.git

mm/vmscan.c: don't forget to free shrinker->nr_deferred

This leak was added by commit 1d3d4437eae1 ("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:
    [<ffffffff8170caee>] kmemleak_alloc+0x5e/0xc0
    [<ffffffff811c0527>] __kmalloc+0x247/0x310
    [<ffffffff8117848c>] register_shrinker+0x3c/0xa0
    [<ffffffff811e115b>] sget+0x5ab/0x670
    [<ffffffff812532f4>] proc_mount+0x54/0x170
    [<ffffffff811e1893>] mount_fs+0x43/0x1b0
    [<ffffffff81202dd2>] vfs_kern_mount+0x72/0x110
    [<ffffffff81202e89>] kern_mount_data+0x19/0x30
    [<ffffffff812530a0>] pid_ns_prepare_proc+0x20/0x40
    [<ffffffff81083c56>] alloc_pid+0x466/0x4a0
    [<ffffffff8105aeda>] copy_process+0xc6a/0x1860
    [<ffffffff8105beab>] do_fork+0x8b/0x370
    [<ffffffff8105c1a6>] SyS_clone+0x16/0x20
    [<ffffffff8171f739>] stub_clone+0x69/0x90
    [<ffffffffffffffff>] 0xffffffffffffffff

Signed-off-by: Andrew Vagin <avagin@openvz.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: Rik van Riel <riel@redhat.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Glauber Costa <glommer@openvz.org>
Cc: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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