Subject: [merged] mm-vmscanc-dont-forget-to-free-shrinker-nr_deferred.patch removed from -mm tree
To: avagin@xxxxxxxxxx,chuck.lever@xxxxxxxxxx,glommer@xxxxxxxxxx,hannes@xxxxxxxxxxx,mgorman@xxxxxxx,mhocko@xxxxxxx,riel@xxxxxxxxxx,mm-commits@xxxxxxxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Thu, 17 Oct 2013 11:12:59 -0700
The patch titled
Subject: mm/vmscan.c: don't forget to free shrinker->nr_deferred
has been removed from the -mm tree. Its filename was
mm-vmscanc-dont-forget-to-free-shrinker-nr_deferred.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Andrew Vagin <avagin@xxxxxxxxxx>
Subject: mm/vmscan.c: don't forget to free shrinker->nr_deferred
This leak was added by 1d3d4437eae ("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@xxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Glauber Costa <glommer@xxxxxxxxxx>
Cc: Chuck Lever <chuck.lever@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/vmscan.c | 1 +
1 file changed, 1 insertion(+)
diff -puN mm/vmscan.c~mm-vmscanc-dont-forget-to-free-shrinker-nr_deferred mm/vmscan.c
--- a/mm/vmscan.c~mm-vmscanc-dont-forget-to-free-shrinker-nr_deferred
+++ a/mm/vmscan.c
@@ -211,6 +211,7 @@ void unregister_shrinker(struct shrinker
down_write(&shrinker_rwsem);
list_del(&shrinker->list);
up_write(&shrinker_rwsem);
+ kfree(shrinker->nr_deferred);
}
EXPORT_SYMBOL(unregister_shrinker);
_
Patches currently in -mm which might be from avagin@xxxxxxxxxx are
origin.patch
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