linux-kernel - Re: 3.x memleaks

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Date:	Thu, 08 Sep 2011 00:37:26 +0100
From:	Sid Boyce <sboyce@...eyonder.co.uk>
To:	Américo Wang <xiyou.wangcong@...il.com>
CC:	LKML Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: 3.x memleaks

On 07/09/11 11:58, Américo Wang wrote:
> On Tue, Sep 6, 2011 at 11:50 PM, Sid Boyce<sboyce@...eyonder.co.uk>  wrote:
>> Since 3.0 I have been seeing memleaks, right up to 3.1.0-rc5. This is
>> typical.
>> AMD x86_64, X2, X4's and openSUSE 12.1 Milestones.
>> unreferenced object 0xffff88022f007000 (size 512):
>> Â comm "swapper", pid 1, jiffies 4294667649 (age 17727.056s)
>> Â hex dump (first 32 bytes):
>> Â  Â 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Â ................
>> Â  Â 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Â ................
>> Â backtrace:
>> Â  Â [<ffffffff81490ba6>] kmemleak_alloc+0x56/0xb0
>> Â  Â [<ffffffff8113ca4c>] kmem_cache_alloc_node_trace+0x9c/0x1d0
>> Â  Â [<ffffffff81041ea7>] __sdt_alloc+0xa7/0x1e0
>> Â  Â [<ffffffff81042014>] __visit_domain_allocation_hell+0x34/0xc0
>> Â  Â [<ffffffff8104d489>] build_sched_domains+0x29/0x2e0
>> Â  Â [<ffffffff81c4c5de>] sched_init_smp+0x7d/0x168
>> Â  Â [<ffffffff81c36cca>] kernel_init+0xb8/0x159
>> Â  Â [<ffffffff814bfbb4>] kernel_thread_helper+0x4/0x10
>> Â  Â [<ffffffffffffffff>] 0xffffffffffffffff
> Hello,
>
> This should be fixed by: https://lkml.org/lkml/2011/8/29/218
>
> Thanks!
>
I applied the patch to 3.1-rc5 and it's still the same.
Regards
Sid.

-- 
Sid Boyce ... Hamradio License G3VBV, Licensed Private Pilot
Emeritus IBM/Amdahl Mainframes and Sun/Fujitsu Servers Tech Support
Senior Staff Specialist, Cricket Coach
Microsoft Windows Free Zone - Linux used for all Computing Tasks

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