The patch titled
sched: fix a memory leak in __sdt_free()
has been added to the -mm tree. Its filename is
sched-fix-a-memory-leak-in-__sdt_free.patch
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See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find
out what to do about this
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: sched: fix a memory leak in __sdt_free()
From: WANG Cong <amwang@xxxxxxxxxx>
Fix the following memory leak:
unreferenced object 0xffff880107266800 (size 512):
comm "sched-powersave", pid 3718, jiffies 4323097853 (age 27495.450s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff81133940>] create_object+0x187/0x28b
[<ffffffff814ac103>] kmemleak_alloc+0x73/0x98
[<ffffffff811232ba>] __kmalloc_node+0x104/0x159
[<ffffffff81044b98>] kzalloc_node.clone.97+0x15/0x17
[<ffffffff8104cb90>] build_sched_domains+0xb7/0x7f3
[<ffffffff8104d4df>] partition_sched_domains+0x1db/0x24a
[<ffffffff8109ee4a>] do_rebuild_sched_domains+0x3b/0x47
[<ffffffff810a00c7>] rebuild_sched_domains+0x10/0x12
[<ffffffff8104d5ba>] sched_power_savings_store+0x6c/0x7b
[<ffffffff8104d5df>] sched_mc_power_savings_store+0x16/0x18
[<ffffffff8131322c>] sysdev_class_store+0x20/0x22
[<ffffffff81193876>] sysfs_write_file+0x108/0x144
[<ffffffff81135b10>] vfs_write+0xaf/0x102
[<ffffffff81135d23>] sys_write+0x4d/0x74
[<ffffffff814c8a42>] system_call_fastpath+0x16/0x1b
[<ffffffffffffffff>] 0xffffffffffffffff
Signed-off-by: WANG Cong <amwang@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: <stable@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/sched.c | 1 +
1 file changed, 1 insertion(+)
diff -puN kernel/sched.c~sched-fix-a-memory-leak-in-__sdt_free kernel/sched.c
--- a/kernel/sched.c~sched-fix-a-memory-leak-in-__sdt_free
+++ a/kernel/sched.c
@@ -7435,6 +7435,7 @@ static void __sdt_free(const struct cpum
struct sched_domain *sd = *per_cpu_ptr(sdd->sd, j);
if (sd && (sd->flags & SD_OVERLAP))
free_sched_groups(sd->groups, 0);
+ kfree(*per_cpu_ptr(sdd->sd, j));
kfree(*per_cpu_ptr(sdd->sg, j));
kfree(*per_cpu_ptr(sdd->sgp, j));
}
_
Patches currently in -mm which might be from amwang@xxxxxxxxxx are
linux-next.patch
sched-fix-a-memory-leak-in-__sdt_free.patch
nbd-use-task_pid_nr-to-get-current-pid.patch
nbd-replace-sysfs_create_file-with-device_create_file.patch
nbd-replace-printk-kern_err-with-dev_err.patch
nbd-lower-the-loglevel-of-an-error-message.patch
nbd-replace-some-printk-with-dev_warn-and-dev_info.patch
nbd-replace-some-printk-with-dev_warn-and-dev_info-checkpatch-fixes.patch
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