linux-kernel - Re: [PATCH] mm/slab: fix unexpected index mapping result of kmalloc_size(INDEX

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Date:	Fri, 18 Sep 2015 09:29:07 -0500 (CDT)
From:	Christoph Lameter <cl@...ux.com>
To:	Joonsoo Kim <js1304@...il.com>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Pekka Enberg <penberg@...nel.org>,
	David Rientjes <rientjes@...gle.com>,
	Joonsoo Kim <iamjoonsoo.kim@....com>
Subject: Re: [PATCH] mm/slab: fix unexpected index mapping result of
 kmalloc_size(INDEX_NODE+1)

On Fri, 18 Sep 2015, Joonsoo Kim wrote:

> This patch fixes the problem of kmalloc_size(INDEX_NODE + 1) and removes
> the BUG by adding 'size >= 256' check to guarantee that all necessary
> small sized slabs are initialized regardless sequence of slab size in
> mapping table.

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