From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Eric Wong <normalperson@yhbt.net>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] fadvise: perform WILLNEED readahead in a workqueue
Date: Sat, 15 Dec 2012 22:34:48 +0000 [thread overview]
Message-ID: <20121215223448.08272fd5@pyramind.ukuu.org.uk> (raw)
In-Reply-To: <20121215005448.GA7698@dcvr.yhbt.net>
On Sat, 15 Dec 2012 00:54:48 +0000
Eric Wong <normalperson@yhbt.net> wrote:
> Applications streaming large files may want to reduce disk spinups and
> I/O latency by performing large amounts of readahead up front
How does it compare benchmark wise with a user thread or using the
readahead() call ?
--
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:[~2012-12-15 22:29 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-15 0:54 Eric Wong
2012-12-15 22:34 ` Alan Cox [this message]
2012-12-16 0:25 ` Eric Wong
2012-12-16 3:03 ` Dave Chinner
2012-12-16 3:35 ` Eric Wong
2012-12-16 4:15 ` Dave Chinner
2012-12-16 5:23 ` Eric Wong
2012-12-16 21:31 ` Dave Chinner
2012-12-16 8:48 ` Zheng Liu
2012-12-16 2:45 ` Dave Chinner
2012-12-16 3:04 ` Eric Wong
2012-12-16 3:09 ` Eric Wong
2012-12-16 3:36 ` Dave Chinner
2012-12-16 3:59 ` Eric Wong
2012-12-16 4:26 ` Dave Chinner
2012-12-16 5:17 ` Eric Wong
2013-02-22 16:45 ` Phillip Susi
2013-02-22 21:13 ` Eric Wong
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=20121215223448.08272fd5@pyramind.ukuu.org.uk \
--to=alan@lxorguk.ukuu.org.uk \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=normalperson@yhbt.net \
/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