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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.