linux-kernel - Re: per-thread rusage

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Message-ID: <46381BFD.8060301@linux.vnet.ibm.com>
Date:	Wed, 02 May 2007 10:35:01 +0530
From:	Balbir Singh <balbir@...ux.vnet.ibm.com>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
CC:	Bill Irwin <bill.irwin@...cle.com>, Theodore Tso <tytso@....edu>,
	Ulrich Drepper <drepper@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Eric Dumazet <dada1@...mosbay.com>,
	linux-kernel@...r.kernel.org, wli@...omorphy.com
Subject: Re: per-thread rusage

Alan Cox wrote:
>> I just so happen to think we should implement a variety of CPU resource
>> limits beyond what we now do, so this, too, interests me.
> 
> Agreed - and make them all 64bit while doing the cleanup. One thing
> several Unixen have we don't for 32bi boxes is a proper set of 64bit
> resource handling for memory/file etc.
> 
> We could also start using the CPU facilities to enforce some of
> the really interesting real time process ones (like main memory
> bandwidth) that at the moment we have no control over and can lead to
> very unfair behaviour.
> 
> Alan

Hi, Alan,

Thanks for bringing this up. There are a couple of patches posted to
lkml for RSS control (unmapped page cache controller under development).

http://lwn.net/Articles/223829/

and the new enhanced verison by Pavel at

http://www.opensubscriber.com/message/linux-kernel@vger.kernel.org/6456480.html

We would appreciate any feedback to help us move the work forward and
make the code ready for acceptance

-- 
	Warm Regards,
	Balbir Singh
	Linux Technology Center
	IBM, ISTL
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