From: Denis Vlasenko <vda@ilport.com.ua>
To: Nikita Danilov <nikita@clusterfs.com>
Subject: Re: [PATCH] use kzalloc instead of malloc+memset
Date: Wed, 14 Sep 2005 08:02:59 +0300
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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
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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
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