linux-kernel - Re: [PATCH] Add __GFP_MOVABLE for callers to flag allocations that may be migrated

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Message-ID: <Pine.LNX.4.64.0612050803000.11213@schroedinger.engr.sgi.com>
Date:	Tue, 5 Dec 2006 08:05:16 -0800 (PST)
From:	Christoph Lameter <clameter@....com>
To:	Mel Gorman <mel@....ul.ie>
cc:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>, akpm@...l.org,
	apw@...dowen.org, linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Add __GFP_MOVABLE for callers to flag allocations that
 may be migrated

On Tue, 5 Dec 2006, Mel Gorman wrote:

> That is one possibility. There are people working on fake nodes for containers
> at the moment. If that pans out, the infrastructure would be available to
> create one node per DIMM.

Right that is a hack in use for one project. We would be adding huge 
amounts of VM overhead if we do a node per DIMM.

So a desktop system with two dimms is to be treated like a NUMA 
system? Or how else do we deal with the multitude of load balancing 
situations that the additional nodes will generate?



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