From: Christoph Lameter <clameter@sgi.com>
To: Mel Gorman <mel@skynet.ie>
Cc: akpm@osdl.org, linux-mm@kvack.org
Subject: Re: Slab: Better fallback allocation behavior
Date: Fri, 1 Dec 2006 08:32:35 -0800 (PST) [thread overview]
Message-ID: <Pine.LNX.4.64.0612010829260.17445@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <20061201123205.GA3528@skynet.ie>
On Fri, 1 Dec 2006, Mel Gorman wrote:
> Hi Christoph,
>
> On (29/11/06 17:01), Christoph Lameter didst pronounce:
> > Currently we simply attempt to allocate from all allowed nodes using
> > GFP_THISNODE.
>
> I thought GFP_THISNODE meant we never fallback to other nodes and no policies
> are ever applied.
That is __GFP_THISNODE alone. GFP_THISNODE is combination of flags used to
get a page if there is one available on that node. These are necessary so
that kernel subsystems (like the slab) can manage their own locality by
placing node specific objects in per node lists.
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next prev parent reply other threads:[~2006-12-01 16:32 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-30 1:01 Christoph Lameter
2006-12-01 12:32 ` Mel Gorman
2006-12-01 16:32 ` Christoph Lameter [this message]
2006-12-01 16:37 ` Christoph Lameter
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