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From: Manfred Spraul <manfred@colorfullife.com>
To: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
Cc: Andrew Morton <akpm@osdl.org>,
	linux-kernel@vger.kernel.org, Jakub Jelinek <jakub@redhat.com>
Subject: Re: [PATCH] per-user signal pending and message queue limits
Date: Thu, 22 Apr 2004 07:33:56 +0200	[thread overview]
Message-ID: <40875944.4060405@colorfullife.com> (raw)
In-Reply-To: <20040421203456.GC16891@logos.cnet>

Marcelo Tosatti wrote:

>I'm thinking about how to do the mqueue "kernel allocated memory" accounting, 
>and I have a problem. A user can create an mqueue of given size via sys_mq_open()
>using "msg_attr" structure (will be created in do_create). I can account for how much 
>memory has been allocated, but I can't at "deaccount" at kfree() time (this memory 
>is stored in inode->(mqueue_inode_info *)info->messages), because I dont know how big
>it is (its user selectable via "msg_attr" structure). 
>  
>
Why not? mqueue_delete_inode can look at info->attr.mq_maxmsg and 
info->attr.mq_curmsg.

--
    Manfred


  reply	other threads:[~2004-04-22  5:34 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-04-19 21:28 [PATCH] per-user signal pending and message queue limits Marcelo Tosatti
2004-04-19 22:49 ` Jakub Jelinek
2004-04-20 14:13   ` Marcelo Tosatti
2004-04-20 18:05     ` Manfred Spraul
2004-04-20 20:04     ` Andrew Morton
2004-04-20 23:13       ` Marcelo Tosatti
2004-04-20 23:34         ` Andrew Morton
2004-04-21 20:34           ` Marcelo Tosatti
2004-04-22  5:33             ` Manfred Spraul [this message]
2004-04-27 14:54               ` Marcelo Tosatti
2004-04-27 18:09                 ` Manfred Spraul
2004-04-28 17:09                   ` Marcelo Tosatti
2004-04-28 21:03                     ` Andrew Morton
2004-04-29  1:33                     ` Chris Wright
2004-04-29 12:17                       ` Marcelo Tosatti
2004-04-29 19:58                         ` Chris Wright
2004-05-06  0:08                           ` Chris Wright
2004-05-06 12:09                             ` Marcelo Tosatti
2004-05-06 12:32                             ` Marcelo Tosatti
2004-05-07  0:56                               ` Chris Wright
2004-04-19 22:59 ` Andrew Morton

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