linux-kernel - Re: [RFC][PATCH 0/7] Resource controllers based on process containers

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Message-ID: <45EE6A00.2080507@sw.ru>
Date:	Wed, 07 Mar 2007 10:30:08 +0300
From:	Pavel Emelianov <xemul@...ru>
To:	Paul Menage <menage@...gle.com>
CC:	Andrew Morton <akpm@...l.org>,
	Srivatsa Vaddagiri <vatsa@...ibm.com>,
	Balbir Singh <balbir@...ibm.com>, devel@...nvz.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	containers@...ts.osdl.org, Kirill Korotaev <dev@...ru>
Subject: Re: [RFC][PATCH 0/7] Resource controllers based on process containers

Paul Menage wrote:
> On 3/6/07, Pavel Emelianov <xemul@...ru> wrote:
>> 2. Extended containers may register themselves too late.
>>    Kernel threads/helpers start forking, opening files
>>    and touching pages much earlier. This patchset
>>    workarounds this in not-so-cute manner and I'm waiting
>>    for Paul's comments on this issue.
>>
> 
> Can we not make sure that each subsystem registers itself before any
> of its resources become usable? So the file counting subsystem should

Actually all the subsystems I've sent became usable very early.
Much earlier that initcalls started. I didn't found where exactly
but I can make it if we really need it.

> register at some point before filp_open() becomes usable, and the
> process counting subsystem should register before it's possible to
> fork, etc.
> 
> Paul
> 

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