From: Matthew Wilcox <matthew@wil.cx>
To: "Michael S. Tsirkin" <mst@mellanox.co.il>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>,
linux-arch@vger.kernel.org, Andrew Morton <akpm@osdl.org>,
Roland Dreier <rdreier@cisco.com>,
Hugh Dickins <hugh@veritas.com>
Subject: Re: [Fwd: Re: [PATCH] madvise MADV_DONTFORK/MADV_DOFORK]
Date: Wed, 15 Feb 2006 05:43:09 -0700 [thread overview]
Message-ID: <20060215124309.GO12822@parisc-linux.org> (raw)
In-Reply-To: <20060215081002.GB10026@mellanox.co.il>
On Wed, Feb 15, 2006 at 10:10:02AM +0200, Michael S. Tsirkin wrote:
> I assume that the values are different on different architectures
> because of legacy/backward compatibility concerns, but I dont see
> compelling reasons to mess up new values.
> Why is it important to keep the MADV_ numbers densely packed? We have 32 bit
> for these, dont we?
Efficiency. GCC does much better with densely packed numbers in a
switch statement.
prev parent reply other threads:[~2006-02-15 12:43 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-15 6:18 [Fwd: Re: [PATCH] madvise MADV_DONTFORK/MADV_DOFORK] Nick Piggin
2006-02-15 8:10 ` Michael S. Tsirkin
2006-02-15 8:17 ` Nick Piggin
2006-02-15 8:49 ` Nick Piggin
2006-02-15 12:12 ` Michael S. Tsirkin
2006-02-15 10:18 ` Russell King
2006-02-15 12:31 ` Nick Piggin
2006-02-15 10:20 ` Michael S. Tsirkin
2006-02-15 12:43 ` Matthew Wilcox [this message]
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=20060215124309.GO12822@parisc-linux.org \
--to=matthew@wil.cx \
--cc=akpm@osdl.org \
--cc=hugh@veritas.com \
--cc=linux-arch@vger.kernel.org \
--cc=mst@mellanox.co.il \
--cc=nickpiggin@yahoo.com.au \
--cc=rdreier@cisco.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