linux-kernel - Re: [PATCH] Export symbol ksize()

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Message-ID: <alpine.DEB.1.10.0902171205390.15929@qirst.com>
Date:	Tue, 17 Feb 2009 12:06:37 -0500 (EST)
From:	Christoph Lameter <cl@...ux-foundation.org>
To:	Pekka Enberg <penberg@...helsinki.fi>
cc:	Matt Mackall <mpm@...enic.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	"Kirill A. Shutemov" <kirill@...temov.name>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	linux-crypto@...r.kernel.org, Geert.Uytterhoeven@...ycom.com
Subject: Re: [PATCH] Export symbol ksize()

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.

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