linux-kernel - Re: [-mm] Add an owner to the mm

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <47ECC45F.3020005@linux.vnet.ibm.com>
Date:	Fri, 28 Mar 2008 15:41:43 +0530
From:	Balbir Singh <balbir@...ux.vnet.ibm.com>
To:	Jiri Slaby <jirislaby@...il.com>
CC:	Paul Menage <menage@...gle.com>,
	Pavel Emelianov <xemul@...nvz.org>,
	Hugh Dickins <hugh@...itas.com>,
	Sudhir Kumar <skumar@...ux.vnet.ibm.com>,
	YAMAMOTO Takashi <yamamoto@...inux.co.jp>, lizf@...fujitsu.com,
	linux-kernel@...r.kernel.org, taka@...inux.co.jp,
	linux-mm@...ck.org, David Rientjes <rientjes@...gle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Subject: Re: [-mm] Add an owner to the mm_struct (v2)

Jiri Slaby wrote:
> On 03/28/2008 10:41 AM, Jiri Slaby wrote:
>>> linux-2.6.25-rc5/include/linux/mm_types.h~memory-controller-add-mm-owner   
>>> 2008-03-28 09:30:47.000000000 +0530
>>> +++ linux-2.6.25-rc5-balbir/include/linux/mm_types.h    2008-03-28
>>> 12:26:59.000000000 +0530
>>> @@ -227,8 +227,10 @@ struct mm_struct {
>>>      /* aio bits */
>>>      rwlock_t        ioctx_list_lock;
>>>      struct kioctx        *ioctx_list;
>>> -#ifdef CONFIG_CGROUP_MEM_RES_CTLR
>>> -    struct mem_cgroup *mem_cgroup;
>>> +#ifdef CONFIG_MM_OWNER
>>> +    spinlock_t owner_lock;
>>> +    struct task_struct *owner;    /* The thread group leader that */
>>
>> Doesn't make sense to switch them (spinlock is unsigned int on x86,
>> what's sizeof between and after?)?
> 
> Hmm, doesn't matter, there is another pointer after it, ignore me.

OK :)

-- 
	Warm Regards,
	Balbir Singh
	Linux Technology Center
	IBM, ISTL
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/