linux-kernel - Re: [KJ] replacing kmalloc with kzalloc in io

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Date:	Mon, 13 Aug 2007 13:26:51 -0400 (EDT)
From:	"Robert P. J. Day" <rpjday@...dspring.com>
To:	Roland Dreier <rdreier@...co.com>
cc:	Mariusz Kozlowski <m.kozlowski@...land.pl>,
	surya.prabhakar@...ro.com, mingo@...hat.com,
	yaku@...1.kbnes.nec.co.jp, kisimoto@...1.kbnes.nec.co.jp,
	zab@...hat.com, Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [KJ] replacing kmalloc with kzalloc in io_apic.c

On Mon, 13 Aug 2007, Roland Dreier wrote:

>  > from my days submitting numerous patches of this type, i can recall
>  > that in cases like the above, it's a judgment call -- use kzalloc to
>  > get the zeroing, or use kcalloc to get the array-flavoured behaviour.
>  > what a shame you can't have both at the same time.
>
> kcalloc() zeros memory just like standard calloc() in userspace.
>
> As <linux/slab.h> says:
>
>  * kcalloc - allocate memory for an array. The memory is set to zero.

oops.  quite right, my bad.

rday
-- 
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Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry
Waterloo, Ontario, CANADA

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