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Date: Wed, 8 Aug 2007 16:37:27 -0700 (PDT)
From: Christoph Lameter <clameter@....com>
To: Lee Schermerhorn <Lee.Schermerhorn@...com>
cc: Mel Gorman <mel@...net.ie>, pj@....com, ak@...e.de,
kamezawa.hiroyu@...fujitsu.com, akpm@...ux-foundation.org,
linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH 0/3] Use one zonelist per node instead of multiple
zonelists v2
On Wed, 8 Aug 2007, Lee Schermerhorn wrote:
> It'll take me a while to absorb the patch, so I'll just ask: Where does
> the zonelist for the argument come from? If the the bind policy
> zonelist is removed, then does it come from a node? There'll be only
Right.
> one per node with your other patches, right? So you had to have a node
> id, to look up the zonelist? Do you need the zonelist elsewhere,
> outside of alloc_pages()? If not, why not just let alloc_pages look it
> up from a starting node [which I think can be determined from the
> policy]?
Exactly. The starting node is passed to alloc_pages_nodemask. We could
just pass -1 for numa_node_id().
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