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=-15.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, 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 7AF13C56202 for ; Thu, 26 Nov 2020 15:33:12 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 11CE82087C for ; Thu, 26 Nov 2020 15:33:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="0fJ4X04I" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 11CE82087C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject: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=Ju0x1tLK/FRVEh1JclBz12zpX/xE/JwrSNeAm+NR+os=; b=0fJ4X04I1MM5kefdXVl+tPzHS wnH5QHEy0a1az47dTNkfKx+o0CCxpf6p9SFBMZL7KzsSRgns4MqX2YDZTmQbPboaaYClN+sUsINVG thNBEnjppWgckmyGxyLyhygesp9PZsghaQe0TflgEfOHlRaZLWOBoB8/Pn5t0uS8zR12TJkEUbHF4 tdlsfb73RPMc5NrfeN2RcimFD2/jssxzGrzdEgrsN9kBjSOtgbGDeVMTI3y+wIfPVheQept5AfLoN DvNAH9GKMeh8jP7YftkVYnsmQlE4GKtxZ5tDkrozzfoj2+zVI9tbAmQrF5IhWq1XINGXXO/C61mBf KwemE12Gg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kiJFQ-0004mG-DE; Thu, 26 Nov 2020 15:31:52 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kiJFN-0004lS-Lg for linux-arm-kernel@lists.infradead.org; Thu, 26 Nov 2020 15:31:50 +0000 Received: from gaia (unknown [95.146.230.165]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 67E652087C; Thu, 26 Nov 2020 15:31:47 +0000 (UTC) Date: Thu, 26 Nov 2020 15:31:44 +0000 From: Catalin Marinas To: Janghyuck Kim Subject: Re: arm64: Kconfig: support for nodes spanning other nodes Message-ID: <20201126153144.GB6722@gaia> References: <20201029061950.4217-1-janghyuck.kim@samsung.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20201029061950.4217-1-janghyuck.kim@samsung.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201126_103149_789279_AE05C998 X-CRM114-Status: GOOD ( 17.64 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: hyesoo.yu@samsung.com, pullip.cho@samsung.com, Will Deacon , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Oct 29, 2020 at 03:19:50PM +0900, Janghyuck Kim wrote: > To support NUMA systems whose physical address layout is not continuous > on one node, nodes spanning other nodes feature is required. > > Signed-off-by: Janghyuck Kim > --- > arch/arm64/Kconfig | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig > index 49b8d017cba6..18ff7ce9dd60 100644 > --- a/arch/arm64/Kconfig > +++ b/arch/arm64/Kconfig > @@ -1004,6 +1004,14 @@ config NEED_PER_CPU_EMBED_FIRST_CHUNK > config HOLES_IN_ZONE > def_bool y > > +# Some NUMA nodes have memory ranges that span > +# other nodes. Even though a pfn is valid and > +# between a node's start and end pfns, it may not > +# reside on that node. See memmap_init_zone() > +# for details. > +config NODES_SPAN_OTHER_NODES > + depends on NUMA I guess this patch no longer makes sense after commit acd3f5c441e9 ("mm: remove early_pfn_in_nid() and CONFIG_NODES_SPAN_OTHER_NODES"). -- Catalin _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel