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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Al Viro <viro@ftp.linux.org.uk>
Cc: Linus Torvalds <torvalds@osdl.org>,
	Willy Tarreau <willy@w.ods.org>, Robert Love <rml@novell.com>,
	Russell King <rmk+lkml@arm.linux.org.uk>,
	Linux Kernel List <linux-kernel@vger.kernel.org>
Subject: Re: p = kmalloc(sizeof(*p), )
Date: Sun, 18 Sep 2005 22:30:26 +0100	[thread overview]
Message-ID: <1127079026.8932.13.camel@localhost.localdomain> (raw)
In-Reply-To: <20050918190714.GO19626@ftp.linux.org.uk>

> It would be very useful when e.g. tracking down improper uses of
> struct file, struct dentry, etc. - stuff that should always be
> allocated by one helper function.  Same goes for e.g. net_device -

Another useful trick here btw is to make such objects contain (when
debugging)

	void *magic_ptr;

which is initialised as foo->magic_ptr = foo;

That catches anyone copying them and tells you what got copied


  reply	other threads:[~2005-09-18 21:04 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
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 [this message]
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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