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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Denis Vlasenko <vda@ilport.com.ua>
Cc: Al Viro <viro@ftp.linux.org.uk>,
	Russell King <rmk+lkml@arm.linux.org.uk>,
	Linux Kernel List <linux-kernel@vger.kernel.org>,
	Linus Torvalds <torvalds@osdl.org>
Subject: Re: p = kmalloc(sizeof(*p), )
Date: Sun, 18 Sep 2005 18:47:10 +0100	[thread overview]
Message-ID: <1127065630.8932.11.camel@localhost.localdomain> (raw)
In-Reply-To: <200509181925.25112.vda@ilport.com.ua>

On Sul, 2005-09-18 at 19:25 +0300, Denis Vlasenko wrote:
> > #define new_object(foo, gfp) (foo *)kmalloc(sizeof(foo), (gfp))
> > 
> > then you can
> > 
> > 	x = new_object(struct frob, GFP_KERNEL)
> 
> This will emit a warning if x is not a struct frob*,
> which plain kmalloc doesn't do.

In the programs where I use it a lot (eg AberMUD5) I also in debugging
mode pass in __FILE__ and __LINE__ which can be most handy.

  parent reply	other threads:[~2005-09-18 17:21 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-09-18 10:06 p = kmalloc(sizeof(*p), ) Russell King
2005-09-18 11:04 ` Alan Cox
2005-09-18 14:39   ` Al Viro
2005-09-18 16:25     ` Denis Vlasenko
2005-09-18 17:30       ` Al Viro
2005-09-18 18:00         ` Willy Tarreau
2005-09-18 17:47       ` Alan Cox [this message]
2005-09-18 16:32 ` Robert Love
2005-09-18 16:52   ` Willy Tarreau
2005-09-18 17:18     ` Al Viro
2005-09-18 17:31       ` Linus Torvalds
2005-09-18 17:45         ` Al Viro
2005-09-18 20:34           ` Roman Zippel
2005-09-18 21:12             ` Al Viro
2005-09-18 21:52               ` Al Viro
2005-09-18 22:25                 ` Linus Torvalds
2005-09-18 23:07                   ` Al Viro
2005-09-20  6:31                     ` Richard Henderson
2005-09-19 21:20                   ` Matthias Urlichs
2005-09-19 21:28                     ` Matthias Urlichs
2005-09-18 19:07         ` Al Viro
2005-09-18 21:30           ` Alan Cox
2005-09-18 21:14             ` Al Viro
2005-09-19  6:09             ` Coywolf Qi Hunt
2005-09-21  2:18         ` Miles Bader
2005-09-18 17:32   ` Randy.Dunlap
2005-09-19  6:47   ` Coywolf Qi Hunt
2005-09-20  8:53   ` Pekka Enberg
2005-09-20  9:39     ` Al Viro
2005-09-20  9:47       ` Pekka J Enberg
2005-09-20  9:53         ` Al Viro
2005-09-20 10:07           ` Pekka J Enberg
2005-09-20 15:14         ` Randy.Dunlap
2005-09-20 11:18 ` Pekka Enberg
2005-09-20 11:40   ` Russell King
2005-09-20 11:56     ` Denis Vlasenko
2005-09-20 12:20     ` Pekka J Enberg
2005-09-20 12:31       ` Russell King
2005-09-20 12:35         ` Pekka J Enberg
2005-09-20 15:21           ` Randy.Dunlap
2005-09-20 12:53         ` Pekka J Enberg
2005-09-20 17:11         ` Andrew Morton
2005-09-20 17:17           ` Russell King
2005-09-20 18:02           ` Alan Cox
2005-09-20 17:59             ` Andrew Morton
2005-09-20 18:11               ` Russell King
2005-09-20 18:41                 ` Jeff Garzik
2005-09-20 20:41               ` Alan Cox
2005-09-20 19:41             ` Horst von Brand

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