From: David Howells <dhowells@redhat.com>
To: Andrew Morton <akpm@osdl.org>
Cc: torvalds@osdl.org, davidm@snapgear.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] BDI: Provide backing device capability information
Date: Mon, 07 Mar 2005 12:25:18 +0000 [thread overview]
Message-ID: <10449.1110198318@redhat.com> (raw)
In-Reply-To: <20050307041047.59c24dec.akpm@osdl.org>
Andrew Morton <akpm@osdl.org> wrote:
> > Making it unsigned long on a 32-bit machine will make no
> > difference. Making it unsigned int on a 64-bit machine will waste four
> > bytes.
>
> No, it won't waste any bytes at all. It won't save any either.
>
> But if someone comes along later and wants to add another int to that
> structure, they won't know that your field was needlessly made a long, and
> they'll then waste another eight bytes.
Okay... Fair enough.
David
next prev parent reply other threads:[~2005-03-07 12:25 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-03-02 15:50 Improving mmap() support for !MMU further David Howells
2005-03-02 17:07 ` Andrew Morton
2005-03-02 21:34 ` [PATCH 1/2] BDI: Provide backing device capability information David Howells
2005-03-02 21:51 ` Andrew Morton
2005-03-02 22:28 ` Linus Torvalds
2005-03-02 22:39 ` Andrew Morton
2005-03-03 13:42 ` David Howells
2005-03-03 20:33 ` Andrew Morton
2005-03-03 13:38 ` David Howells
2005-03-03 20:34 ` Andrew Morton
2005-03-07 11:23 ` David Howells
2005-03-07 11:37 ` Andrew Morton
2005-03-07 11:43 ` David Howells
2005-03-07 11:47 ` Andrew Morton
2005-03-07 11:51 ` David Howells
2005-03-07 12:10 ` Andrew Morton
2005-03-07 12:25 ` David Howells [this message]
2005-03-07 14:05 ` David Howells
2005-03-07 15:21 ` Miklos Szeredi
2005-03-07 15:41 ` David Howells
2005-03-07 15:45 ` Miklos Szeredi
2005-03-07 16:06 ` David Howells
2005-03-07 16:15 ` Miklos Szeredi
2005-03-07 20:14 ` Andrew Morton
2005-03-08 14:12 ` [PATCH 1/2] BDI: Provide backing device capability information [try #3] David Howells
2005-03-09 0:37 ` Andrew Morton
2005-03-09 10:27 ` David Howells
2005-03-02 21:41 ` [PATCH 2/2] BDI: Improve nommu mmap support David Howells
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