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Message-ID: <84144f020702220145h4f670ec6g428dc046ee9dcc71@mail.gmail.com>
Date: Thu, 22 Feb 2007 11:45:53 +0200
From: "Pekka Enberg" <penberg@cs.helsinki.fi>
To: "Peter Zijlstra" <a.p.zijlstra@chello.nl>
Subject: Re: [PATCH 08/29] mm: kmem_cache_objs_to_pages()
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>
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Hi Peter,

On Wed, 2007-02-21 at 17:47 +0200, Pekka Enberg wrote:
> > So how does this work? You ask the slab allocator how many pages you
> > need for a given number of objects and then those pages are available
> > to it via the page allocator? Can other users also dip into those
> > reserves?

On 2/22/07, Peter Zijlstra <a.p.zijlstra@chello.nl> wrote:
> Everybody (ab)using PF_MEMALLOC or the new __GFP_EMERGENCY.

So you are only interested in rough estimation of how much many pages
you need for a given amount of objects? Why not use ksize() for that
then?

                                    Pekka