From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from d12nrmr1607.megacenter.de.ibm.com (d12nrmr1607.megacenter.de.ibm.com [9.149.167.49]) by mtagate3.de.ibm.com (8.12.10/8.12.10) with ESMTP id k0N8lNWs149758 for ; Mon, 23 Jan 2006 08:47:23 GMT Received: from d12av02.megacenter.de.ibm.com (d12av02.megacenter.de.ibm.com [9.149.165.228]) by d12nrmr1607.megacenter.de.ibm.com (8.12.10/NCO/VERS6.8) with ESMTP id k0N8lMsw199300 for ; Mon, 23 Jan 2006 09:47:22 +0100 Received: from d12av02.megacenter.de.ibm.com (loopback [127.0.0.1]) by d12av02.megacenter.de.ibm.com (8.12.11/8.13.3) with ESMTP id k0N8lMI9020666 for ; Mon, 23 Jan 2006 09:47:22 +0100 Date: Mon, 23 Jan 2006 09:47:15 +0100 From: Heiko Carstens Subject: Re: [rfc] split_page function to split higher order pages? Message-ID: <20060123084715.GA9241@osiris.boeblingen.de.ibm.com> References: <20060121124053.GA911@wotan.suse.de> <1137853024.23974.0.camel@laptopd505.fenrus.org> <20060123054927.GA9960@wotan.suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060123054927.GA9960@wotan.suse.de> Sender: owner-linux-mm@kvack.org Return-Path: To: Nick Piggin Cc: Arjan van de Ven , Linux Kernel Mailing List , Linux Memory Management List List-ID: > > > Just wondering what people think of the idea of using a helper > > > function to split higher order pages instead of doing it manually? > > > > Maybe it's worth documenting that this is for kernel (or even > > architecture) internal use only and that drivers really shouldn't be > > doing this.. > > I guess it doesn't seem like something drivers would need to use > (and none appear to do anything like it). And I thought this could/should be used together with vm_insert_page() that drivers are supposed to use nowadays instead of remap_pfn_range(). Why shouldn't drivers use this? Thanks, Heiko -- 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: email@kvack.org