linux-kernel - Re: [patch] mm, slab: initialize object alignment on cache creation

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Message-ID: <alpine.DEB.2.02.1409231710430.8339@chino.kir.corp.google.com>
Date:	Tue, 23 Sep 2014 17:10:57 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Christoph Lameter <cl@...ux.com>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Joonsoo Kim <iamjoonsoo.kim@....com>,
	Pekka Enberg <penberg@...nel.org>, a.elovikov@...il.com,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [patch] mm, slab: initialize object alignment on cache
 creation

On Tue, 23 Sep 2014, Christoph Lameter wrote:

> > The proper alignment defaults to BYTES_PER_WORD and can be overridden by
> > SLAB_RED_ZONE or the alignment specified by the caller.
> 
> Where does it default to BYTES_PER_WORD in __kmem_cache_create?
> 

Previous to commit 4590685546a3 ("mm/sl[aou]b: Common alignment code") 
which introduced this issue.
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