Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935156AbXFFTMu (ORCPT ); Wed, 6 Jun 2007 15:12:50 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1761375AbXFFTMk (ORCPT ); Wed, 6 Jun 2007 15:12:40 -0400 Received: from viefep18-int.chello.at ([213.46.255.22]:37045 "EHLO viefep28-int.chello.at" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755973AbXFFTMj (ORCPT ); Wed, 6 Jun 2007 15:12:39 -0400 Subject: Re: [PATCH 3/4] mm: move_page_tables{,_up} From: Peter Zijlstra To: Ollie Wild Cc: linux-kernel@vger.kernel.org, parisc-linux@lists.parisc-linux.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, Andrew Morton , Ingo Molnar , Andi Kleen In-Reply-To: <65dd6fd50706061206y558e7f90t3740424fae7bdc9c@mail.gmail.com> References: <20070605150523.786600000@chello.nl> <20070605151203.738393000@chello.nl> <65dd6fd50706061206y558e7f90t3740424fae7bdc9c@mail.gmail.com> Content-Type: text/plain Date: Wed, 06 Jun 2007 21:12:14 +0200 Message-Id: <1181157134.5676.28.camel@lappy> Mime-Version: 1.0 X-Mailer: Evolution 2.10.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1020 Lines: 23 On Wed, 2007-06-06 at 12:06 -0700, Ollie Wild wrote: > On 6/5/07, Peter Zijlstra wrote: > > Provide functions for moving page tables upwards. > > Now that we're initializing the temporary stack location to > STACK_TOP_MAX, do we still need move_page_tables_up() for variable > length argument support? I originally added it into shift_arg_pages() > to support 32-bit apps exec'ing 64-bit apps when we were using > TASK_SIZE as our temporary location. > > Maybe we should decouple this patch from the others and submit it as > an enhancement to support memory defragmentation. PA-RISC will still need it, right? On the defrag thingy, I talked with Mel today, and neither of us can see a usefull application of these functions to his defrag work. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/