linux-kernel - Re: [patch 07/23] SLUB: Add defrag

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Message-ID: <Pine.LNX.4.64.0711071030040.9857@schroedinger.engr.sgi.com>
Date:	Wed, 7 Nov 2007 10:30:10 -0800 (PST)
From:	Christoph Lameter <clameter@....com>
To:	Johannes Weiner <hannes-kernel@...urebad.de>
cc:	akpm@...ux-foundatin.org, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, Mel Gorman <mel@...net.ie>
Subject: Re: [patch 07/23] SLUB: Add defrag_ratio field and sysfs support.

On Wed, 7 Nov 2007, Johannes Weiner wrote:

> Hi Christoph,
> 
> On Tue, Nov 06, 2007 at 05:11:37PM -0800, Christoph Lameter wrote:
> > --- linux-2.6.orig/include/linux/slub_def.h	2007-11-06 12:36:28.000000000 -0800
> > +++ linux-2.6/include/linux/slub_def.h	2007-11-06 12:37:44.000000000 -0800
> > @@ -53,6 +53,13 @@ struct kmem_cache {
> >  	void (*ctor)(struct kmem_cache *, void *);
> >  	int inuse;		/* Offset to metadata */
> >  	int align;		/* Alignment */
> > +	int defrag_ratio;	/*
> > +				 * objects/possible-objects limit. If we have
> > +				 * less that the specified percentage of
> 
> That should be `less than', I guess.

Correct.

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