From: John Levon <levon@movementarian.org>
To: Nick Piggin <npiggin@suse.de>
Cc: linux-fsdevel@vger.kernel.org,
Linux Memory Management List <linux-mm@kvack.org>,
robert.richter@amd.com, oprofile-list@lists.sf.net
Subject: Re: [patch][rfc] fs: shrink struct dentry
Date: Mon, 1 Dec 2008 17:51:13 +0000 [thread overview]
Message-ID: <20081201175113.GA16828@totally.trollied.org.uk> (raw)
In-Reply-To: <20081201083343.GC2529@wotan.suse.de>
On Mon, Dec 01, 2008 at 09:33:43AM +0100, Nick Piggin wrote:
> I then got rid of the d_cookie pointer. This shrinks it to 192 bytes. Rant:
> why was this ever a good idea? The cookie system should increase its hash
> size or use a tree or something if lookups are a problem.
Are you saying you've made this change without even testing its
performance impact?
john
--
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:[~2008-12-01 17:51 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-01 8:33 Nick Piggin
2008-12-01 11:09 ` Andi Kleen
2008-12-01 11:26 ` Nick Piggin
2008-12-01 17:51 ` John Levon [this message]
2008-12-01 18:04 ` Nick Piggin
2008-12-01 19:38 ` John Levon
2008-12-02 7:06 ` Nick Piggin
2008-12-02 13:04 ` John Levon
2008-12-02 13:49 ` Nick Piggin
2008-12-02 14:49 ` John Levon
2008-12-02 15:11 ` Nick Piggin
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=20081201175113.GA16828@totally.trollied.org.uk \
--to=levon@movementarian.org \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=npiggin@suse.de \
--cc=oprofile-list@lists.sf.net \
--cc=robert.richter@amd.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