linux-kernel - Re: [patch 2/2] cpusets: add interleave_over

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Message-ID: <alpine.DEB.0.9999.0710261413420.11594@chino.kir.corp.google.com>
Date:	Fri, 26 Oct 2007 14:15:53 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Christoph Lameter <clameter@....com>
cc:	Paul Jackson <pj@....com>, Lee.Schermerhorn@...com,
	akpm@...ux-foundation.org, ak@...e.de, linux-kernel@...r.kernel.org
Subject: Re: [patch 2/2] cpusets: add interleave_over_allowed option

On Fri, 26 Oct 2007, Christoph Lameter wrote:

> We would need two fields in the policy structure
> 
> 1. The specified nodemask (generally ignored)
> 

What I've called pol->passed_nodemask.

> 2. The effective nodemask (specified & cpuset_mems_allowed)
> 

Which is pol->v.nodes.

> If we have these two then its easy to get a bit further by making
> the first nodemask a relative nodemask. The calculation of the effective
> nodemask changes somewhat but the logic is then applicable to MPOL_BIND as 
> well.
> 

Agreed.
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