From: Rik van Riel <riel@surriel.com>
To: Shantanu Goel <sgoel01@yahoo.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
linux-mm@kvack.org
Subject: Re: [VM PATCH] rotate_reclaimable_page fails frequently
Date: Sun, 5 Feb 2006 11:39:43 -0500 (EST) [thread overview]
Message-ID: <Pine.LNX.4.61L.0602051138260.26086@imladris.surriel.com> (raw)
In-Reply-To: <20060205150259.1549.qmail@web33007.mail.mud.yahoo.com>
On Sun, 5 Feb 2006, Shantanu Goel wrote:
> It seems rotate_reclaimable_page fails most of the
> time due the page not being on the LRU when kswapd
> calls writepage().
The question is, why is the page not yet back on the
LRU by the time the data write completes ?
Surely a disk IO is slow enough that the page will
have been put on the LRU milliseconds before the IO
completes ?
In what kind of configuration do you run into this
problem ?
--
"Debugging is twice as hard as writing the code in the first place.
Therefore, if you write the code as cleverly as possible, you are,
by definition, not smart enough to debug it." - Brian W. Kernighan
--
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 parent reply other threads:[~2006-02-05 16:39 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20060205150259.1549.qmail@web33007.mail.mud.yahoo.com>
2006-02-05 16:39 ` Rik van Riel [this message]
2006-02-06 1:47 ` Shantanu Goel
2006-02-06 4:50 ` Andrew Morton
2006-02-06 5:26 ` Shantanu Goel
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.4.61L.0602051138260.26086@imladris.surriel.com \
--to=riel@surriel.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=sgoel01@yahoo.com \
/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