linux-kernel - Re: [RFC 14/26] SLUB: __GFP_MOVABLE and SLAB

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Date:	Fri, 31 Aug 2007 19:07:39 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
cc:	apw@...dowen.org, linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	linux-fsdevel@...r.kernel.org, hch@....de, mel@...net.ie,
	dgc@....com
Subject: Re: [RFC 14/26] SLUB: __GFP_MOVABLE and SLAB_TEMPORARY support

On Sat, 1 Sep 2007, KAMEZAWA Hiroyuki wrote:

> On Fri, 31 Aug 2007 18:41:21 -0700
> Christoph Lameter <clameter@....com> wrote:
> 
> > +#ifndef CONFIG_HIGHMEM
> > +	if (s->kick || s->flags & SLAB_TEMPORARY)
> > +		flags |= __GFP_MOVABLE;
> > +#endif
> > +
> 
> Should I do this as
> 
> #if !defined(CONFIG_HIGHMEM) && !defined(CONFIG_MEMORY_HOTREMOVE)

Hmmm.... Not sure... I think the use of __GFP_MOVABLE the way it is up 
there will change as soon as Mel's antifrag patchset is merged.

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