From: Andi Kleen <ak@suse.de>
To: Christoph Lameter <clameter@engr.sgi.com>
Cc: linux-mm@kvack.org
Subject: Re: [RFC] Additional features for zone reclaim
Date: Wed, 18 Jan 2006 03:55:54 +0100 [thread overview]
Message-ID: <200601180355.55001.ak@suse.de> (raw)
In-Reply-To: <Pine.LNX.4.62.0601171507580.28915@schroedinger.engr.sgi.com>
On Wednesday 18 January 2006 00:10, Christoph Lameter wrote:
> This patch adds the ability to shrink the cache if a zone runs out of
> memory or to start swapping out pages on a node. The slab shrink
> has some issues since it is global and not related to the zone.
> One could add support for zone specifications to the shrinker to
> make that work. Got a patch halfway done that would modify all
> shrinkers to take an additional zone parameters. But is that worth it?
I was considering this when I was working on NUMA memory policy
because the VM often got unhappy with MPOL_BIND under stress.
Didn't do it to keep the patches simple, but it would be probably a good
thing.
-Andi
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next prev parent reply other threads:[~2006-01-18 2:55 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-17 23:10 [RFC] Additional features for zone reclaim Christoph Lameter
2006-01-18 2:55 ` Andi Kleen [this message]
2006-01-18 3:57 ` Nick Piggin
2006-01-18 6:38 ` Christoph Lameter
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