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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E8B5FC3DA4A for ; Fri, 2 Aug 2024 10:37:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Subject:CC:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=xT3MxKSio7fHNCaP8pAszLzeWBVp8FxT+QIKvMMUOqc=; b=PgahkTY3QuPC8J sh5OeqzoessfTIS6j63aMbhSqmGmuXa4l+fFZvyaZy9wT6tzm53zkOauEG22ce0uo077Fohvupxxq acEtBkRPyJTqEWoj53fWB+Uid8qLi2Y0KXRnhclGRKR+U6U5hVFkWF+tQ4J9fPqU05NdSV1ox5nOj 0dBsnVHwaa6m0+mUak4zd9oUgP3hrDmEu6qZm+jxICbO97ZYTE8tF9CiK9z+GS2Z2emT2V8fERJT9 ryLrxoVsgfSb7YcoVA6RDGiLu4sdhdclmHN2k2EKMuWnk6cY4xZJRKiB9zWSOmckc7hcUC/P0VVm2 7V8uzrtkbkyvS7SLCOZw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sZpeq-00000008VBj-1Dqf; Fri, 02 Aug 2024 10:37:12 +0000 Received: from frasgout.his.huawei.com ([185.176.79.56]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sZpeJ-00000008V4N-0Y8W; Fri, 02 Aug 2024 10:36:41 +0000 Received: from mail.maildlp.com (unknown [172.18.186.31]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4Wb2JN02Stz6K5nV; Fri, 2 Aug 2024 18:34:28 +0800 (CST) Received: from lhrpeml500005.china.huawei.com (unknown [7.191.163.240]) by mail.maildlp.com (Postfix) with ESMTPS id 90EC81400D9; Fri, 2 Aug 2024 18:36:31 +0800 (CST) Received: from localhost (10.203.177.66) by lhrpeml500005.china.huawei.com (7.191.163.240) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Fri, 2 Aug 2024 11:36:30 +0100 Date: Fri, 2 Aug 2024 11:36:29 +0100 From: Jonathan Cameron To: Mike Rapoport CC: , Alexander Gordeev , Andreas Larsson , "Andrew Morton" , Arnd Bergmann , "Borislav Petkov" , Catalin Marinas , Christophe Leroy , Dan Williams , Dave Hansen , David Hildenbrand , "David S. Miller" , Davidlohr Bueso , "Greg Kroah-Hartman" , Heiko Carstens , Huacai Chen , Ingo Molnar , Jiaxun Yang , "John Paul Adrian Glaubitz" , Jonathan Corbet , Michael Ellerman , Palmer Dabbelt , "Rafael J. Wysocki" , Rob Herring , Samuel Holland , Thomas Bogendoerfer , Thomas Gleixner , "Vasily Gorbik" , Will Deacon , Zi Yan , , , , , , , , , , , , , , , , Subject: Re: [PATCH v3 11/26] x86/numa: use get_pfn_range_for_nid to verify that node spans memory Message-ID: <20240802113629.00003069@Huawei.com> In-Reply-To: <20240801060826.559858-12-rppt@kernel.org> References: <20240801060826.559858-1-rppt@kernel.org> <20240801060826.559858-12-rppt@kernel.org> Organization: Huawei Technologies Research and Development (UK) Ltd. X-Mailer: Claws Mail 4.1.0 (GTK 3.24.33; x86_64-w64-mingw32) MIME-Version: 1.0 X-Originating-IP: [10.203.177.66] X-ClientProxiedBy: lhrpeml500002.china.huawei.com (7.191.160.78) To lhrpeml500005.china.huawei.com (7.191.163.240) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240802_033639_493666_42EA7C51 X-CRM114-Status: GOOD ( 19.14 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Thu, 1 Aug 2024 09:08:11 +0300 Mike Rapoport wrote: > From: "Mike Rapoport (Microsoft)" > > Instead of looping over numa_meminfo array to detect node's start and > end addresses use get_pfn_range_for_init(). > > This is shorter and make it easier to lift numa_memblks to generic code. > > Signed-off-by: Mike Rapoport (Microsoft) > Tested-by: Zi Yan # for x86_64 and arm64 Fair enough given code a few lines up has set the node for all the memblocks so this should I think give the same effective result. Reviewed-by: Jonathan Cameron > --- > arch/x86/mm/numa.c | 13 +++---------- > 1 file changed, 3 insertions(+), 10 deletions(-) > > diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c > index edfc38803779..cfe7e5477cf8 100644 > --- a/arch/x86/mm/numa.c > +++ b/arch/x86/mm/numa.c > @@ -521,17 +521,10 @@ static int __init numa_register_memblks(struct numa_meminfo *mi) > > /* Finally register nodes. */ > for_each_node_mask(nid, node_possible_map) { > - u64 start = PFN_PHYS(max_pfn); > - u64 end = 0; > + unsigned long start_pfn, end_pfn; > > - for (i = 0; i < mi->nr_blks; i++) { > - if (nid != mi->blk[i].nid) > - continue; > - start = min(mi->blk[i].start, start); > - end = max(mi->blk[i].end, end); > - } > - > - if (start >= end) > + get_pfn_range_for_nid(nid, &start_pfn, &end_pfn); > + if (start_pfn >= end_pfn) > continue; > > alloc_node_data(nid); _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv