linux-kernel - Re: [PATCH 1/3] percpu: use ZERO_SIZE_PTR / ZERO_OR_NULL

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Message-ID: <alpine.DEB.2.00.1201301006140.28693@router.home>
Date:	Mon, 30 Jan 2012 10:15:18 -0600 (CST)
From:	Christoph Lameter <cl@...ux.com>
To:	Dmitry Antipov <dmitry.antipov@...aro.org>
cc:	Tejun Heo <tj@...nel.org>, Rusty Russell <rusty@...tcorp.com.au>,
	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	patches@...aro.org, linaro-dev@...ts.linaro.org
Subject: Re: [PATCH 1/3] percpu: use ZERO_SIZE_PTR / ZERO_OR_NULL_PTR

On Mon, 30 Jan 2012, Dmitry Antipov wrote:

> Fix pcpu_alloc() to return ZERO_SIZE_PTR if requested size is 0;
> fix free_percpu() to check passed pointer with ZERO_OR_NULL_PTR.

Acked-by: Christoph Lameter <cl@...ux.com>
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