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From: David Gibson <david@gibson.dropbear.id.au>
To: Christoph Lameter <christoph@lameter.com>
Cc: linux-kernel@vger.kernel.org, linuxppc64-dev@ozlabs.org
Subject: Re: RFC: Hugepage COW
Date: Fri, 15 Jul 2005 14:21:46 +1000	[thread overview]
Message-ID: <20050715042146.GE7750@localhost.localdomain> (raw)
In-Reply-To: <Pine.LNX.4.62.0507141858220.21873@graphe.net>

On Thu, Jul 14, 2005 at 07:00:11PM -0700, Christoph Lameter wrote:
> On Fri, 15 Jul 2005, David Gibson wrote:
> 
> > Well, the COW patch implements a fault handler, obviously.  What
> > specifically where you thinking about?
> 
> About a fault handler of course and about surrounding scalability issues.
> I worked on some hugepage related patches last fall. Have you had a look 
> at the work of Ken, Ray and me on the subject?

I'm still not at all sure what you're getting at.  Do you mean the
demand-allocation patches which were floating around at some point - I
gather they're important for doing sensible NUMA allocation of
hugepages.  They have a small overlap with the COW code, in the fault
handler, but not much.

-- 
David Gibson			| I'll have my music baroque, and my code
david AT gibson.dropbear.id.au	| minimalist, thank you.  NOT _the_ _other_
				| _way_ _around_!
http://www.ozlabs.org/people/dgibson

  reply	other threads:[~2005-07-15  5:28 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-07-07  5:55 RFC: Hugepage COW David Gibson
2005-07-07  6:49 ` Avi Kivity
2005-07-07  9:24   ` David Gibson
2005-07-07 12:53     ` Stephen Rothwell
2005-07-08  2:44       ` David Gibson
2005-07-14 17:24 ` Christoph Lameter
2005-07-15  1:14   ` David Gibson
2005-07-15  2:00     ` Christoph Lameter
2005-07-15  4:21       ` David Gibson [this message]
2005-07-15  4:34         ` Christoph Lameter

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