From: Arjan van de Ven <arjan@infradead.org>
To: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Ingo Molnar <mingo@elte.hu>,
Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: memset as memzero
Date: Sat, 22 Sep 2007 12:46:59 -0700 [thread overview]
Message-ID: <20070922124659.741cca42@laptopd505.fenrus.org> (raw)
In-Reply-To: <20070922083355.GA7226@cvg>
On Sat, 22 Sep 2007 12:33:55 +0400
Cyrill Gorcunov <gorcunov@gmail.com> wrote:
> Hi list,
>
> could anyone tell me why there is no official memzero function (or
> macros) in the kernel.
it doesn't add value.... memset with a constant 0 is just as fast
(since the compiler knows it's 0) than any wrapper around it, and the
syntax around it is otherwise the same.
> As I see a lot of kernel parts calls for it
> (defying own macros as alias to memset). Maybe there is a special
> reason not to do so? Actually my suggestion is to define _one_
> general macros for this.
my suggestion is to nuke all the macros and just use memset().
next prev parent reply other threads:[~2007-09-22 18:47 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-22 8:33 Cyrill Gorcunov
2007-09-22 8:48 ` Robert P. J. Day
2007-09-22 9:35 ` Cyrill Gorcunov
2007-09-22 9:55 ` Robert P. J. Day
2007-09-22 10:15 ` Cyrill Gorcunov
2007-09-22 19:46 ` Arjan van de Ven [this message]
2007-09-22 18:53 ` Linus Torvalds
2007-09-23 15:32 ` Dave Jones
2007-09-23 16:07 ` Arnaldo Carvalho de Melo
2007-09-23 17:05 ` Linus Torvalds
2007-09-23 18:46 ` Willy Tarreau
2007-09-23 16:33 ` Robert P. J. Day
2007-09-23 16:46 ` Arnaldo Carvalho de Melo
2007-09-22 19:25 ` Bernd Eckenfels
2007-09-22 20:37 ` Oleg Verych (nntp)
2007-09-22 19:32 ` Cyrill Gorcunov
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