linux-kernel - Re: [PATCH v2] mm: module

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Date:	Mon, 01 Jul 2013 12:48:28 +0930
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Joe Perches <joe@...ches.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Ralf Baechle <ralf@...ux-mips.org>,
	Veli-Pekka Peltola <veli-pekka.peltola@...egiga.com>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-mips@...ux-mips.org, Russell King <linux@....linux.org.uk>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
	Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH v2] mm: module_alloc: check if size is 0

Joe Perches <joe@...ches.com> writes:
> On Thu, 2013-06-27 at 15:23 -0700, Andrew Morton wrote:
>> On Thu, 27 Jun 2013 11:39:17 +0200 Ralf Baechle <ralf@...ux-mips.org> wrote:
> []
>> Veli-Pekka's original patch would be neater if we were to add a new
>> 
>> void *__vmalloc_node_range_zero_size_ok(<args>)
>> {
>> 	if (size == 0)
>> 		return NULL;
>
> I believe you mean
> 		return ZERO_SIZE_PTR;

Yes, this is the Right Fix.

Thanks,
Rusty.
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