From: Christoph Lameter <clameter@sgi.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Ravikiran G Thirumalai <kiran@scalex86.org>,
linux-mm@kvack.org,
Christoph Lameter <clameter@cthulhu.engr.sgi.com>,
shai@scalex86.org
Subject: Re: [rfc] [patch] mm: zone_reclaim fix for pseudo file systems
Date: Mon, 30 Jul 2007 17:27:41 -0700 (PDT) [thread overview]
Message-ID: <Pine.LNX.4.64.0707301725280.25686@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <20070730172007.ddf7bdee.akpm@linux-foundation.org>
On Mon, 30 Jul 2007, Andrew Morton wrote:
> The problem is that __zone_reclaim() doesn't use all_unreclaimable at all.
> You'll note that all the other callers of shrink_zone() do take avoiding
> action if the zone is in all_unreclaimable state, but __zone_reclaim() forgot
> to.
zone reclaim only runs if there are unmapped file backed pages that can be
reclaimed. If the pages are all unreclaimable then they are all mapped and
global reclaim begins to run. The problem is with global reclaim as far as
I know.
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next prev parent reply other threads:[~2007-07-31 0:27 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-27 23:27 Ravikiran G Thirumalai
2007-07-30 18:12 ` Christoph Lameter
2007-07-30 20:23 ` Andrew Morton
2007-07-30 20:31 ` Christoph Lameter
2007-07-30 21:12 ` Lee Schermerhorn
2007-07-31 0:01 ` Ravikiran G Thirumalai
2007-07-31 0:20 ` Andrew Morton
2007-07-31 0:27 ` Christoph Lameter [this message]
2007-07-31 1:06 ` Andrew Morton
2007-07-31 1:52 ` Christoph Lameter
2007-07-31 1:56 ` Ravikiran G Thirumalai
2007-07-31 2:01 ` Christoph Lameter
2007-07-31 2:27 ` Andrew Morton
2007-07-31 2:36 ` Christoph Lameter
2007-07-31 4:47 ` Andrew Morton
2007-07-31 5:00 ` Christoph Lameter
2007-07-31 5:17 ` Andrew Morton
2007-07-31 5:33 ` Christoph Lameter
2007-07-31 5:58 ` Andrew Morton
2007-07-31 6:09 ` Christoph Lameter
2007-07-31 6:18 ` Andrew Morton
2007-07-31 19:35 ` Christoph Lameter
2007-07-31 19:46 ` Andrew Morton
2007-07-31 19:50 ` Christoph Lameter
2007-07-31 8:27 ` Ravikiran G Thirumalai
2007-07-31 8:35 ` Andrew Morton
2007-07-31 19:30 ` Christoph Lameter
2007-07-31 19:20 ` Christoph Lameter
2007-07-31 7:15 ` Ravikiran G Thirumalai
2007-07-31 19:18 ` Christoph Lameter
2007-07-31 1:36 ` Ravikiran G Thirumalai
2007-07-31 1:53 ` Andrew Morton
2007-07-31 1:56 ` Christoph Lameter
2007-07-31 2:19 ` Christoph Lameter
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