linux-kernel - Re: [PATCH] trivial

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Message-ID: <Pine.LNX.4.64.0708302120290.24730@fbirervta.pbzchgretzou.qr>
Date:	Thu, 30 Aug 2007 21:24:16 +0200 (CEST)
From:	Jan Engelhardt <jengelh@...putergmbh.de>
To:	Alexey Dobriyan <adobriyan@...il.com>
cc:	Joe Perches <joe@...ches.com>, Ingo Molnar <mingo@...e.hu>,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] trivial - constify sched.h


On Aug 28 2007 01:33, Alexey Dobriyan wrote:
>
>On Mon, Aug 27, 2007 at 01:40:31PM -0700, Joe Perches wrote:
>> Add const to some struct task_struct * uses
>
>Why, oh, why?


So that you can actually pass in a const struct task_struct * without having
to cast it back to [non-const].

Why one would have a const struct task_struct * in the first place
is a different matter.

But see http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=77adbfbf4cf96fedf9b75bb330704828c187b190


	Jan
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