From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6D1FBC48BD1 for ; Tue, 8 Jun 2021 05:45:22 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 0B17B61289 for ; Tue, 8 Jun 2021 05:45:22 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0B17B61289 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 9662E6B006C; Tue, 8 Jun 2021 01:45:21 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 93D436B006E; Tue, 8 Jun 2021 01:45:21 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 8055A6B0070; Tue, 8 Jun 2021 01:45:21 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0166.hostedemail.com [216.40.44.166]) by kanga.kvack.org (Postfix) with ESMTP id 4EE806B006C for ; Tue, 8 Jun 2021 01:45:21 -0400 (EDT) Received: from smtpin09.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id E12CB180AD802 for ; Tue, 8 Jun 2021 05:45:20 +0000 (UTC) X-FDA: 78229468800.09.55B758C Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf10.hostedemail.com (Postfix) with ESMTP id 09DBD40002C1 for ; Tue, 8 Jun 2021 05:45:17 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id C5D8361029; Tue, 8 Jun 2021 05:45:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1623131119; bh=49fVzdt4MSY+UspP64EgJQ791zimRP1gxTciSlJZXt4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=G0Rtshf8pvTrv3vEhpsoWQuj5JjeNYokUzfYJ5STkCXI/OnFwZ+jzE319giZq9upk Ip6wZYmg/mXX1RsKoBHJISuKRrHfu3i7LKK8o6lrdj3F/wsMYKU4KSiTq0yf0Te/9Y EXkEDnDuymhI/7Es9g0unojNazWzSj6FWZpsSVsuRv7SkD+TKqrUPOkH42sn/s2o3k YyeAtmie679nER7vSNNhYu+t0T8vpaLE8THVLmZUT2dI3k363OIVX5xgUfeXV7EiTs ihyAaoDmjCZhWOCiJEmXQBaJ0yMnS1SK6yRX7SpN+JL1ZvqVGV5DXW68K81QTP/SNc ubRqN6fNQU7pg== Date: Tue, 8 Jun 2021 08:45:07 +0300 From: Mike Rapoport To: Geert Uytterhoeven Cc: Andrew Morton , Arnd Bergmann , Ivan Kokshaysky , Jonathan Corbet , Matt Turner , Mike Rapoport , Richard Henderson , Vineet Gupta , kexec@lists.infradead.org, alpha , Linux-Arch , Linux ARM , "open list:DOCUMENTATION" , "linux-ia64@vger.kernel.org" , Linux Kernel Mailing List , linux-m68k , "open list:BROADCOM NVRAM DRIVER" , Linux MM , linux-riscv , linux-s390 , Linux-sh list , arcml , "open list:TENSILICA XTENSA PORT (xtensa)" , linuxppc-dev , sparclinux Subject: Re: [PATCH v2 8/9] mm: replace CONFIG_NEED_MULTIPLE_NODES with CONFIG_NUMA Message-ID: References: <20210604064916.26580-1-rppt@kernel.org> <20210604064916.26580-9-rppt@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 09DBD40002C1 Authentication-Results: imf10.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=G0Rtshf8; spf=pass (imf10.hostedemail.com: domain of rppt@kernel.org designates 198.145.29.99 as permitted sender) smtp.mailfrom=rppt@kernel.org; dmarc=pass (policy=none) header.from=kernel.org X-Stat-Signature: 6x1ob6ue5pa8dadtc3kfhnhzmhxngf5j X-HE-Tag: 1623131117-528550 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hi, On Mon, Jun 07, 2021 at 10:53:08AM +0200, Geert Uytterhoeven wrote: > Hi Mike, > > On Fri, Jun 4, 2021 at 8:50 AM Mike Rapoport wrote: > > From: Mike Rapoport > > > > After removal of DISCINTIGMEM the NEED_MULTIPLE_NODES and NUMA > > configuration options are equivalent. > > > > Drop CONFIG_NEED_MULTIPLE_NODES and use CONFIG_NUMA instead. > > > > Done with > > > > $ sed -i 's/CONFIG_NEED_MULTIPLE_NODES/CONFIG_NUMA/' \ > > $(git grep -wl CONFIG_NEED_MULTIPLE_NODES) > > $ sed -i 's/NEED_MULTIPLE_NODES/NUMA/' \ > > $(git grep -wl NEED_MULTIPLE_NODES) > > > > with manual tweaks afterwards. > > > > Signed-off-by: Mike Rapoport > > Thanks for your patch! > > As you dropped the following hunk from v2 of PATCH 5/9, there's now > one reference left of CONFIG_NEED_MULTIPLE_NODES > (plus the discontigmem comment): Aargh, indeed. Thanks for catching this. And I wondered why you suggested to fix spelling in cover letter for v3 :) > -diff --git a/mm/memory.c b/mm/memory.c > -index f3ffab9b9e39157b..fd0ebb63be3304f5 100644 > ---- a/mm/memory.c > -+++ b/mm/memory.c > -@@ -90,8 +90,7 @@ > - #warning Unfortunate NUMA and NUMA Balancing config, growing > page-frame for last_cpupid. > - #endif > - > --#ifndef CONFIG_NEED_MULTIPLE_NODES > --/* use the per-pgdat data instead for discontigmem - mbligh */ > -+#ifdef CONFIG_FLATMEM > - unsigned long max_mapnr; > - EXPORT_SYMBOL(max_mapnr); > - > > Gr{oetje,eeting}s, > > Geert > > -- > Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org > > In personal conversations with technical people, I call myself a hacker. But > when I'm talking to journalists I just say "programmer" or something like that. > -- Linus Torvalds -- Sincerely yours, Mike.