From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp1.linux-foundation.org (smtp1.linux-foundation.org [140.211.169.13]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "smtp.linux-foundation.org", Issuer "CA Cert Signing Authority" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id A0071DDD0B for ; Wed, 4 Feb 2009 17:27:08 +1100 (EST) Date: Tue, 3 Feb 2009 22:26:01 -0800 From: Andrew Morton To: Roland Dreier Subject: Re: FW: [PATCH] powerpc/mm: Export HPAGE_SHIFT Message-Id: <20090203222601.747ca8b7.akpm@linux-foundation.org> In-Reply-To: References: <20090203164930.GA10101@mtls03> <1233712248.16867.131.camel@pasglop> <20090203211329.d6190a08.akpm@linux-foundation.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Cc: linuxppc-dev@ozlabs.org, linux-kernel@vger.kernel.org, Eli Cohen List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Tue, 03 Feb 2009 22:16:08 -0800 Roland Dreier wrote: > > I think it's something like > > > > huge_page_size(page_hstate(page)) > > That would suit. I assume the intention is for that to be usable by > driver modules on any architecture? > erm, you overestimate the amount of planning and forethought which goes into these things ;) The lack of any EXPORT_SYMBOL(size_to_hstate) is a broadish hint.