linux-kernel - Re: [RFC][PATCH 0/4] Generic container system

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Date:	Wed, 04 Oct 2006 14:37:01 -0700
From:	Chandra Seetharaman <sekharan@...ibm.com>
To:	Martin Bligh <mbligh@...gle.com>
Cc:	Paul Menage <menage@...gle.com>, pj@....com, akpm@...l.org,
	ckrm-tech@...ts.sourceforge.net, linux-kernel@...r.kernel.org,
	winget@...gle.com, rohitseth@...gle.com, jlan@....com,
	Joel.Becker@...cle.com, Simon.Derr@...l.net
Subject: Re: [RFC][PATCH 0/4] Generic container system

On Wed, 2006-10-04 at 12:36 -0700, Martin Bligh wrote:

I agree with you, Martin.

> >>It would certainly be possible to have finer-grained locking. But the
> >>cpuset code seems pretty happy with coarse-grained locking (only one
> > 
> > 
> > cpuset may be happy today. But, It will not be happy when there are tens
> > of other container subsystems use the same locks to protect their own
> > data structures. Using such coarse locking will certainly affect the
> > scalability.
> 
> All of this (and the rest of the snipped email with suggested
> improvements) makes pretty good sense. But would it not be better
> to do this in stages?
> 
> 1) Split the code out from cpusets

Paul (Menage) is already work on this.

We will work out the rest.
> 2) Move to configfs
> 3) Work on locking scalability, etc ...
> 
> Else it'd seem that we'll never get anywhere, and it'll all be
> impossible to review anyway. Incremental improvement would seem to
> be a much easier way to fix this stuff, to me.
> 
> M.
-- 

----------------------------------------------------------------------
    Chandra Seetharaman               | Be careful what you choose....
              - sekharan@...ibm.com   |      .......you may get it.
----------------------------------------------------------------------


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