linux-kernel - Re: [PATCH v2] mm: memblock: fix wrong memmove size in memblock_merge

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Message-ID: <20130107170124.GK3926@htj.dyndns.org>
Date:	Mon, 7 Jan 2013 09:01:24 -0800
From:	Tejun Heo <tj@...nel.org>
To:	Lin Feng <linfeng@...fujitsu.com>
Cc:	akpm@...ux-foundation.org, mingo@...nel.org, yinghai@...nel.org,
	liwanp@...ux.vnet.ibm.com, benh@...nel.crashing.org,
	tangchen@...fujitsu.com, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] mm: memblock: fix wrong memmove size in
 memblock_merge_regions()

On Mon, Jan 07, 2013 at 11:41:36AM +0800, Lin Feng wrote:
> The memmove span covers from (next+1) to the end of the array, and the index
> of next is (i+1), so the index of (next+1) is (i+2). So the size of remaining
> array elements is (type->cnt - (i + 2)).
> 
> Cc: Tejun Heo <tj@...nel.org>
> Reviewed-by: Wanpeng Li <liwanp@...ux.vnet.ibm.com>
> Signed-off-by: Lin Feng <linfeng@...fujitsu.com>

Acked-by: Tejun Heo <tj@...nel.org>

Thanks!

-- 
tejun
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