From: Christoph Lameter <cl@linux-foundation.org>
Subject: Re: [PATCH] Export symbol ksize()
Date: Tue, 17 Feb 2009 12:06:37 -0500 (EST)
Message-ID: <alpine.DEB.1.10.0902171205390.15929@qirst.com>
References: <1234272104-10211-1-git-send-email-kirill@shutemov.name>  <20090212104349.GA13859@gondor.apana.org.au>  <1234435521.28812.165.camel@penberg-laptop>  <20090212105034.GC13859@gondor.apana.org.au>  <1234454104.28812.175.camel@penberg-laptop>
 <20090215133638.5ef517ac.akpm@linux-foundation.org>  <1234734194.5669.176.camel@calx>  <20090215135555.688ae1a3.akpm@linux-foundation.org>  <1234741781.5669.204.camel@calx>  <alpine.DEB.1.10.0902171115010.29986@qirst.com>
 <84144f020902170903g5756cf4cy57f98cd5955ff2e3@mail.gmail.com>
Mime-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Cc: Matt Mackall <mpm@selenic.com>, Andrew Morton <akpm@linux-foundation.org>,
    Herbert Xu <herbert@gondor.apana.org.au>,
    "Kirill A. Shutemov" <kirill@shutemov.name>, linux-kernel@vger.kernel.org,
    linux-mm@kvack.org, linux-crypto@vger.kernel.org,
    Geert.Uytterhoeven@sonycom.com
To: Pekka Enberg <penberg@cs.helsinki.fi>
Return-path: <owner-linux-mm@kvack.org>
In-Reply-To: <84144f020902170903g5756cf4cy57f98cd5955ff2e3@mail.gmail.com>
Sender: owner-linux-mm@kvack.org
List-Id: linux-crypto.vger.kernel.org

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.

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org.  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>