From: Christoph Lameter <clameter@sgi.com>
To: Mel Gorman <mel@csn.ul.ie>
Cc: Alexander Beregalov <a.beregalov@gmail.com>,
kernel-testers@vger.kernel.org,
kernel list <linux-kernel@vger.kernel.org>,
linux-mm@kvack.org, Lee Schermerhorn <lee.schermerhorn@hp.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Hugh Dickins <hugh@veritas.com>,
Nick Piggin <nickpiggin@yahoo.com.au>,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
bfields@fieldses.org, neilb@suse.de, linux-nfs@vger.kernel.org
Subject: Re: 2.6.26-rc: nfsd hangs for a few sec
Date: Sat, 21 Jun 2008 21:13:00 -0700 (PDT) [thread overview]
Message-ID: <Pine.LNX.4.64.0806212107510.18908@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <20080622013801.GE4692@csn.ul.ie>
On Sun, 22 Jun 2008, Mel Gorman wrote:
> > Before the change we walk all zones of the zonelist.
> >
>
> Yeah, but the zonelist is for GFP_KERNEL so it should not include the HIGHMEM
> zones, right? The key change is that after the patch there are fewer zonelists
> than get filtered.
But the HIGHMEM zones etc were included before. There was no check for
HIGHMEM etc there. The gfpmask was ignored.
> I think the effect of that patch is that zones get shrunk that have
> nothing to do with the requestors requirements. Right?
Right. AFAICT That was the behavior before the change.
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next prev parent reply other threads:[~2008-06-22 4:13 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-21 12:57 Alexander Beregalov
2008-06-21 18:36 ` Linus Torvalds
2008-06-21 22:41 ` Mel Gorman
2008-06-21 23:46 ` Christoph Lameter
2008-06-21 23:54 ` Linus Torvalds
2008-06-22 0:18 ` Christoph Lameter
2008-06-22 1:38 ` Mel Gorman
2008-06-22 4:13 ` Christoph Lameter [this message]
2008-06-22 17:07 ` Mel Gorman
2008-06-22 2:10 ` Alexander Beregalov
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