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Date: Tue, 17 Feb 2009 12:06:37 -0500 (EST)
From: Christoph Lameter <cl@linux-foundation.org>
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To: Pekka Enberg <penberg@cs.helsinki.fi>
cc: Matt Mackall <mpm@selenic.com>, Andrew Morton <akpm@linux-foundation.org>,
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       linux-kernel@vger.kernel.org, linux-mm@kvack.org,
       linux-crypto@vger.kernel.org, Geert.Uytterhoeven@sonycom.com
Subject: Re: [PATCH] Export symbol ksize()
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On Tue, 17 Feb 2009, Pekka Enberg wrote:

> Hmm, kmem_cache_size() seems bit pointless to me. For
> kmem_cache_create()'d caches, actual allocated size should be more or
> less optimal with no extra space.

Cacheline alignment and word alignment etc etc can still add some space to
the object.