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From: Paul Jackson <pj@sgi.com>
To: David Rientjes <rientjes@google.com>
Cc: solo@google.com, clameter@sgi.com, linux-mm@kvack.org
Subject: Re: cpusets vs. mempolicy and how to get interleaving
Date: Mon, 20 Aug 2007 11:25:38 -0700	[thread overview]
Message-ID: <20070820112538.42337443.pj@sgi.com> (raw)
In-Reply-To: <alpine.DEB.0.99.0708200104340.4218@chino.kir.corp.google.com>

David wrote:
> Like I've already said, there is absolutely no reason to add a new MPOL 
> variant for this case.  As Christoph already mentioned, PF_SPREAD_PAGE 
> gets similar results.  So just modify mpol_rebind_policy() so that if 
> /dev/cpuset/<cpuset>/memory_spread_page is true, you rebind the 
> interleaved nodemask to all nodes in the new nodemask.  That's the 
> well-defined cpuset interface for getting an interleaved behavior already.

Hmm ... nice.

As David likely guesses, I didn't read his earlier suggestion of this.

Thanks for repeating it.

-- 
                  I won't rest till it's the best ...
                  Programmer, Linux Scalability
                  Paul Jackson <pj@sgi.com> 1.925.600.0401

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  reply	other threads:[~2007-08-20 18:25 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-08-18  0:22 cpusets vs. mempolicy and how to get interleaving Ethan Solomita
2007-08-18  0:29 ` Ethan Solomita
2007-08-19 10:18   ` David Rientjes
2007-08-20  0:53     ` Ethan Solomita
2007-08-20  2:34       ` Paul Jackson
2007-08-20  5:47         ` Ethan Solomita
2007-08-20  5:53           ` Paul Jackson
2007-08-20  8:10             ` David Rientjes
2007-08-20 18:25               ` Paul Jackson [this message]
2007-08-20 18:28               ` Ethan Solomita
2007-08-20 18:40                 ` David Rientjes
2007-08-20 19:50                   ` Ethan Solomita
2007-08-20 19:07           ` Christoph Lameter
2007-08-21 14:14             ` Lee Schermerhorn
2007-08-18  1:07 ` Christoph Lameter
2007-08-18  1:51   ` Ethan Solomita

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