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=-8.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 0398CC54FC9 for ; Tue, 21 Apr 2020 09:34:01 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id B8029206E9 for ; Tue, 21 Apr 2020 09:34:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="c5KuZwro" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B8029206E9 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 3DB358E0005; Tue, 21 Apr 2020 05:34:00 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 38BE28E0003; Tue, 21 Apr 2020 05:34:00 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 279BE8E0005; Tue, 21 Apr 2020 05:34:00 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0192.hostedemail.com [216.40.44.192]) by kanga.kvack.org (Postfix) with ESMTP id 0CF878E0003 for ; Tue, 21 Apr 2020 05:34:00 -0400 (EDT) Received: from smtpin16.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id BDA42181AEF1A for ; Tue, 21 Apr 2020 09:33:59 +0000 (UTC) X-FDA: 76731350598.16.owl62_5d0b1ff3dc037 X-HE-Tag: owl62_5d0b1ff3dc037 X-Filterd-Recvd-Size: 5789 Received: from us-smtp-1.mimecast.com (us-smtp-delivery-1.mimecast.com [207.211.31.120]) by imf06.hostedemail.com (Postfix) with ESMTP for ; Tue, 21 Apr 2020 09:33:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1587461638; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=WZvQHIk5yGSRjXjKFjsIWFy/S1Ns+gE0RZWu1SFT0Hc=; b=c5KuZwro3sja7Atniy/S291LqSxCuvYWhMWE/tBDplitsQjrfzds/VWEfh37i/i4WBwpUe 82EJ27iiHMzK7FkpQ1k4N5z343RXsq7eKpjPXbHIybZT52H9vcfZ8uVB9j5Kj2r9NojNNr nr1GAFiluwgzq615vRZJt5CffxHvNu0= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-433-log4rQ_TNsu7b0kMv7uVCQ-1; Tue, 21 Apr 2020 05:33:57 -0400 X-MC-Unique: log4rQ_TNsu7b0kMv7uVCQ-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 9E61818C35A6; Tue, 21 Apr 2020 09:33:50 +0000 (UTC) Received: from localhost (ovpn-12-34.pek2.redhat.com [10.72.12.34]) by smtp.corp.redhat.com (Postfix) with ESMTPS id A866960C87; Tue, 21 Apr 2020 09:33:45 +0000 (UTC) Date: Tue, 21 Apr 2020 17:33:43 +0800 From: Baoquan He To: Mike Rapoport Cc: linux-kernel@vger.kernel.org, Andrew Morton , Brian Cain , Catalin Marinas , "David S. Miller" , Geert Uytterhoeven , Greentime Hu , Greg Ungerer , Guan Xuetao , Guo Ren , Heiko Carstens , Helge Deller , Hoan Tran , "James E.J. Bottomley" , Jonathan Corbet , Ley Foon Tan , Mark Salter , Matt Turner , Max Filippov , Michael Ellerman , Michal Hocko , Michal Simek , Nick Hu , Paul Walmsley , Richard Weinberger , Rich Felker , Russell King , Stafford Horne , Thomas Bogendoerfer , Tony Luck , Vineet Gupta , x86@kernel.org, Yoshinori Sato , linux-alpha@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-c6x-dev@linux-c6x.org, linux-csky@vger.kernel.org, linux-doc@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-mm@kvack.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-um@lists.infradead.org, linux-xtensa@linux-xtensa.org, openrisc@lists.librecores.org, sparclinux@vger.kernel.org, uclinux-h8-devel@lists.sourceforge.jp, Mike Rapoport Subject: Re: [PATCH 02/21] mm: make early_pfn_to_nid() and related defintions close to each other Message-ID: <20200421093343.GR4247@MiWiFi-R3L-srv> References: <20200412194859.12663-1-rppt@kernel.org> <20200412194859.12663-3-rppt@kernel.org> <20200421022435.GP4247@MiWiFi-R3L-srv> <20200421084935.GB14260@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200421084935.GB14260@kernel.org> User-Agent: Mutt/1.10.1 (2018-07-13) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 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: On 04/21/20 at 11:49am, Mike Rapoport wrote: > On Tue, Apr 21, 2020 at 10:24:35AM +0800, Baoquan He wrote: > > On 04/12/20 at 10:48pm, Mike Rapoport wrote: > > > From: Mike Rapoport > > > > > > The early_pfn_to_nid() and it's helper __early_pfn_to_nid() are spread > > > around include/linux/mm.h, include/linux/mmzone.h and mm/page_alloc.c. > > > > > > Drop unused stub for __early_pfn_to_nid() and move its actual generic > > > implementation close to its users. > > > > > > Signed-off-by: Mike Rapoport > > > --- > > > include/linux/mm.h | 4 ++-- > > > include/linux/mmzone.h | 9 -------- > > > mm/page_alloc.c | 51 +++++++++++++++++++++--------------------- > > > 3 files changed, 27 insertions(+), 37 deletions(-) > > > > > > diff --git a/include/linux/mm.h b/include/linux/mm.h > > > index 5a323422d783..a404026d14d4 100644 > > > --- a/include/linux/mm.h > > > +++ b/include/linux/mm.h > > > @@ -2388,9 +2388,9 @@ extern void sparse_memory_present_with_active_regions(int nid); > > > > > > #if !defined(CONFIG_HAVE_MEMBLOCK_NODE_MAP) && \ > > > !defined(CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID) > > > -static inline int __early_pfn_to_nid(unsigned long pfn, > > > - struct mminit_pfnnid_cache *state) > > > +static inline int early_pfn_to_nid(unsigned long pfn) > > > { > > > + BUILD_BUG_ON(IS_ENABLED(CONFIG_NUMA)); > > > return 0; > > > } > > > > It's better to make a separate patch to drop __early_pfn_to_nid() here. > > Not sure it's really worth it. > This patch anyway only moves the code around without any actual changes. OK, it's fine to me.