linux-kernel - Re: [RFC PATCH 1/1] mm/percpu.c: fix memory leakage issue when allocate a odd alignment area

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Message-ID: <20161014002843.GH32534@mtj.duckdns.org>
Date:   Thu, 13 Oct 2016 20:28:43 -0400
From:   Tejun Heo <tj@...nel.org>
To:     zijun_hu <zijun_hu@...o.com>
Cc:     zijun_hu@....com, linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        akpm@...ux-foundation.org, cl@...ux.com
Subject: Re: [RFC PATCH 1/1] mm/percpu.c: fix memory leakage issue when
 allocate a odd alignment area

Hello,

On Fri, Oct 14, 2016 at 08:23:06AM +0800, zijun_hu wrote:
> for the current code, only power of 2 alignment value can works well
> 
> is it acceptable to performing a power of 2 checking and returning error code
> if fail?

Yeah, just add is_power_of_2() test to the existing sanity check.

Thanks.

-- 
tejun