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From: Rusty Russell <rusty@rustcorp.com.au>
To: Dmitry Antipov <dmitry.antipov@linaro.org>
Cc: linux-kernel@vger.kernel.org, linaro-dev@lists.linaro.org
Subject: Re: [PATCH] module: avoid call vmalloc if init size is zero
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References: <1327648756-22255-1-git-send-email-dmitry.antipov@linaro.org> <8762fxcrvx.fsf@rustcorp.com.au> <4F26468C.4000302@linaro.org>
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Date: Mon, 30 Jan 2012 18:24:18 +1030
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On Mon, 30 Jan 2012 11:28:12 +0400, Dmitry Antipov <dmitry.antipov@linaro.org> wrote:
> On 01/27/2012 03:21 PM, Rusty Russell wrote:
> 
> > Please fix __vmalloc_node_range() instead to return ZERO_SIZE_PTR.
> > And of course, vfree() to use ZERO_OR_NULL_PTR().
> 
> For the convenience and uniformity, should {alloc,free}_percpu() be
> also modified in that way?

Yep!

Thanks,
Rusty.