From mboxrd@z Thu Jan  1 00:00:00 1970
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: [PATCH 08/40] mm: kmem_cache_objsize
Date: Fri, 04 May 2007 20:32:18 +0200
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Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	netdev@vger.kernel.org,
	Trond Myklebust <trond.myklebust@fys.uio.no>,
	Thomas Graf <tgraf@suug.ch>,
	David Miller <davem@davemloft.net>,
	James Bottomley <James.Bottomley@SteelEye.com>,
	Mike Christie <michaelc@cs.wisc.edu>,
	Andrew Morton <akpm@linux-foundation.org>,
	Daniel Phillips <phillips@google.com>,
	Pekka Enberg <penberg@cs.helsinki.fi>
To: Christoph Lameter <clameter@sgi.com>
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On Fri, 2007-05-04 at 11:30 -0700, Christoph Lameter wrote:
> On Fri, 4 May 2007, Peter Zijlstra wrote:
> 
> > > Ok so you really need the number of objects per page? If you know the 
> > > number of objects then you can calculate the pages needed which would be 
> > > the maximum memory needed?
> > 
> > Yes, that would work.
> 
> Hmmm... Maybe lets have
> 
> unsigned kmem_estimate_pages(struct kmem_cache *slab_cache, int objects)
> 
> which would calculate the worst case memory scenario for allocation the 
> number of indicated objects?

Perfectly fine with me, Pekka, any objections?