From: Denis Vlasenko <vda@ilport.com.ua>
To: Nikita Danilov <nikita@clusterfs.com>
Cc: Pekka J Enberg <penberg@cs.helsinki.fi>,
Dmitry Torokhov <dtor_core@ameritech.net>,
linux-kernel@vger.kernel.org, jirislaby@gmail.com,
lion.vollnhals@web.de
Subject: Re: [PATCH] use kzalloc instead of malloc+memset
Date: Wed, 14 Sep 2005 08:02:59 +0300 [thread overview]
Message-ID: <200509140802.59435.vda@ilport.com.ua> (raw)
In-Reply-To: <17190.33539.992902.463545@gargle.gargle.HOWL>
On Tuesday 13 September 2005 10:42, Nikita Danilov wrote:
> Pekka J Enberg writes:
>
> [...]
>
> > +
> > +The kernel provides the following general purpose memory allocators:
> > +kmalloc(), kzalloc(), kcalloc(), and vmalloc(). Please refer to the API
> > +documentation for further information about them.
> > +
> > +The preferred form for passing a size of a struct is the following:
> > +
> > + p = kmalloc(sizeof(*p), ...);
>
> Parentheses around *p are superfluous. See
>
> > The C Programming Language, Second Edition
> > by Brian W. Kernighan and Dennis M. Ritchie.
I remember that sizeof has two forms: sizeof(type) and
sizeof(expr), and in one of them ()'s are optional.
But I fail to remember in which one. I use ()'s always.
Thanks for refreshing my memory but I'm sure
I'll forget again ;)
--
vda
next prev parent reply other threads:[~2005-09-14 5:03 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-12 22:10 [PATCH] use kzalloc instead of malloc+memset Lion Vollnhals
2005-09-12 22:47 ` Lion Vollnhals
2005-09-13 5:41 ` Denis Vlasenko
2005-09-13 11:27 ` Jiri Slaby
2005-09-12 22:58 ` Jiri Slaby
2005-09-13 4:43 ` Pekka Enberg
2005-09-13 5:33 ` Dmitry Torokhov
2005-09-13 6:42 ` Andrew Morton
2005-09-13 7:02 ` Pekka J Enberg
2005-09-13 7:42 ` Nikita Danilov
2005-09-13 16:31 ` Pekka Enberg
2005-09-14 5:02 ` Denis Vlasenko [this message]
2005-09-14 9:58 ` Nikita Danilov
2005-09-13 23:28 ` Paul Jackson
2005-09-14 9:33 ` Bernd Petrovitsch
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=200509140802.59435.vda@ilport.com.ua \
--to=vda@ilport.com.ua \
--cc=dtor_core@ameritech.net \
--cc=jirislaby@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=lion.vollnhals@web.de \
--cc=nikita@clusterfs.com \
--cc=penberg@cs.helsinki.fi \
/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