Message-ID: <44E46D5B.8080209@sw.ru>
Date: Thu, 17 Aug 2006 17:21:31 +0400
From: "Pavel V. Emelianov" <xemul@sw.ru>
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To: vatsa@in.ibm.com, devel@openvz.org
CC: Kirill Korotaev <dev@sw.ru>, Andrew Morton <akpm@osdl.org>,
       Rik van Riel <riel@redhat.com>, ckrm-tech@lists.sourceforge.net,
       Andi Kleen <ak@suse.de>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       Christoph Hellwig <hch@infradead.org>, Andrey Savochkin <saw@sw.ru>,
       Alan Cox <alan@lxorguk.ukuu.org.uk>, hugh@veritas.com,
       Ingo Molnar <mingo@elte.hu>
Subject: Re: [Devel] Re: [ckrm-tech] [RFC][PATCH 3/7] UBC: ub context and
 inheritance
References: <44E33893.6020700@sw.ru> <44E33C04.50803@sw.ru> <20060817110952.GD19127@in.ibm.com>
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Srivatsa Vaddagiri wrote:
> On Wed, Aug 16, 2006 at 07:38:44PM +0400, Kirill Korotaev wrote:
>   
>> Contains code responsible for setting UB on task,
>> it's inheriting and setting host context in interrupts.
>>
>> Task references three beancounters:
>>   1. exec_ub  current context. all resources are
>>               charged to this beancounter.
>>   2. task_ub  beancounter to which task_struct is
>>               charged itself.
>>   3. fork_sub beancounter which is inherited by
>>               task's children on fork
>>     
>
> Is there a case where exec_ub and fork_sub can differ? I dont see that
> in the patch.
>   
Look in context changing in interrupts - "set_exec_ub(&ub0);" is done there.

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