From: Christoph Lameter <clameter@sgi.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Ravikiran G Thirumalai <kiran@scalex86.org>,
linux-mm@kvack.org, shai@scalex86.org
Subject: Re: [rfc] [patch] mm: zone_reclaim fix for pseudo file systems
Date: Tue, 31 Jul 2007 12:50:20 -0700 (PDT) [thread overview]
Message-ID: <Pine.LNX.4.64.0707311247340.11078@schroedinger.engr.sgi.com> (raw)
In-Reply-To: <20070731124642.c43012cd.akpm@linux-foundation.org>
On Tue, 31 Jul 2007, Andrew Morton wrote:
> They're different from Kiran's problem. Not specifically ramfs and
> zone-reclaim isn't (obviously) involved. Yes, the solution is probably the
> same one, but it'd be sad to "fix" Kiran's problem via finer-grained zone
> accounting while leaving an undiscovered bug behind.
Zone reclaim would not occur if the counters would accurately describing
the unmapped pagecache pages that are presumably very easy to reclaim.
Zone reclaim is not a full reclaim implementation. Its just superficial
removal of easy to get pages.
> If we're going further down that path we should aim at removing the
> all_unreclaimable logic completely.
I think that is doable if we account for the unreclaimable pages and move
them off the LRU.
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2007-07-31 19:50 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
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 [this message]
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=Pine.LNX.4.64.0707311247340.11078@schroedinger.engr.sgi.com \
--to=clameter@sgi.com \
--cc=akpm@linux-foundation.org \
--cc=kiran@scalex86.org \
--cc=linux-mm@kvack.org \
--cc=shai@scalex86.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox