From: Roland Dreier <rdreier@cisco.com>
To: Al Viro <viro@ftp.linux.org.uk>
Cc: David Miller <davem@davemloft.net>,
akpm@osdl.org, linux-kernel@vger.kernel.org,
openib-general@openib.org, tom@opengridcomputing.com
Subject: Re: [PATCH] Avoid truncating to 'long' in ALIGN() macro
Date: Sat, 25 Nov 2006 17:17:08 -0800 [thread overview]
Message-ID: <adaslg73t2j.fsf@cisco.com> (raw)
In-Reply-To: <20061126011014.GR3078@ftp.linux.org.uk> (Al Viro's message of "Sun, 26 Nov 2006 01:10:14 +0000")
> (typeof(x))((x + a - 1) & ~(a - 1ULL))
Yes I was being stupid thinking I needed a temporary variable to use
typeof. But what does the cast to typeof(x) accomplish if we write
things the way you suggested above? It seems that the right things is
really just
(((x) + (a) - 1) & ~((typeof(x)) (a) - 1))
- R.
next prev parent reply other threads:[~2006-11-26 1:17 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-25 5:40 [PATCH] Avoid truncating to 'long' in ALIGN() macro Roland Dreier
2006-11-25 6:07 ` David Miller
2006-11-25 22:56 ` Roland Dreier
2006-11-25 23:05 ` David Miller
2006-11-25 23:09 ` Roland Dreier
2006-11-26 0:41 ` Andrew Morton
2006-11-26 19:09 ` Roland Dreier
2006-11-26 19:10 ` Roland Dreier
2006-11-26 19:17 ` Andrew Morton
2006-11-26 20:06 ` Roland Dreier
2006-11-26 20:11 ` Linus Torvalds
2006-11-26 20:26 ` Roland Dreier
2006-11-26 21:06 ` Jörn Engel
2006-11-26 22:20 ` Linus Torvalds
2006-11-27 4:41 ` Al Viro
2006-11-26 1:10 ` Al Viro
2006-11-26 1:17 ` Roland Dreier [this message]
2006-11-26 1:25 ` Al Viro
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