linux-kernel - Re: la la la la ... swappiness

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Message-ID: <Pine.LNX.4.64.0612041012010.32156@schroedinger.engr.sgi.com>
Date:	Mon, 4 Dec 2006 10:15:21 -0800 (PST)
From:	Christoph Lameter <clameter@....com>
To:	Andrew Morton <akpm@...l.org>
cc:	"Horst H. von Brand" <vonbrand@....utfsm.cl>,
	Aucoin@...ston.rr.com, "'Kyle Moffett'" <mrmacman_g4@....com>,
	"'Tim Schmielau'" <tim@...sik3.uni-rostock.de>, torvalds@...l.org,
	linux-kernel@...r.kernel.org, dcn@....com
Subject: Re: la la la la ... swappiness

On Mon, 4 Dec 2006, Andrew Morton wrote:

> but that's rather dumb.  Better would be to remove mlocked pages from the
> LRU.

Could we generalize the removal of sections of a zone from the LRU? I 
believe this would help various buffer allocation schemes. We have some 
issues with heavy LRU scans if large buffers are allocated on some 
nodes.
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