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, 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 B1732C433B4 for ; Mon, 19 Apr 2021 10:32:30 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 5CAF3611CE for ; Mon, 19 Apr 2021 10:32:30 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5CAF3611CE Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id E45706B0036; Mon, 19 Apr 2021 06:32:29 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id DF5216B006E; Mon, 19 Apr 2021 06:32:29 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id C967D6B0070; Mon, 19 Apr 2021 06:32:29 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0129.hostedemail.com [216.40.44.129]) by kanga.kvack.org (Postfix) with ESMTP id A7FDD6B0036 for ; Mon, 19 Apr 2021 06:32:29 -0400 (EDT) Received: from smtpin19.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 66EFE1E04 for ; Mon, 19 Apr 2021 10:32:29 +0000 (UTC) X-FDA: 78048752418.19.6A2DDD0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf25.hostedemail.com (Postfix) with ESMTP id 056EE6000112 for ; Mon, 19 Apr 2021 10:32:25 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id 020E361166; Mon, 19 Apr 2021 10:32:26 +0000 (UTC) Date: Mon, 19 Apr 2021 11:32:24 +0100 From: Catalin Marinas To: Kefeng Wang Cc: Andrew Morton , Will Deacon , Thomas Bogendoerfer , linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH] mm: Move HOLES_IN_ZONE into mm Message-ID: <20210419103223.GA3515@arm.com> References: <20210417075946.181402-1-wangkefeng.wang@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210417075946.181402-1-wangkefeng.wang@huawei.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 056EE6000112 X-Stat-Signature: cgz4rx13fbx8ohmj8j8zbpnuzgrur71j Received-SPF: none (kernel.org>: No applicable sender policy available) receiver=imf25; identity=mailfrom; envelope-from=""; helo=mail.kernel.org; client-ip=198.145.29.99 X-HE-DKIM-Result: none/none X-HE-Tag: 1618828345-146139 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 Sat, Apr 17, 2021 at 03:59:46PM +0800, Kefeng Wang wrote: > commit a55749639dc1 ("ia64: drop marked broken DISCONTIGMEM and VIRTUAL_MEM_MAP") > drop VIRTUAL_MEM_MAP, so there is no need HOLES_IN_ZONE on ia64. > > Also move HOLES_IN_ZONE into mm/Kconfig, select it if architecture needs > this feature. > > Signed-off-by: Kefeng Wang > --- > arch/arm64/Kconfig | 4 +--- > arch/ia64/Kconfig | 3 --- > arch/mips/Kconfig | 3 --- > mm/Kconfig | 3 +++ > 4 files changed, 4 insertions(+), 9 deletions(-) > > diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig > index f0b17d758912..3c5a53e0db91 100644 > --- a/arch/arm64/Kconfig > +++ b/arch/arm64/Kconfig > @@ -202,6 +202,7 @@ config ARM64 > select HAVE_KPROBES > select HAVE_KRETPROBES > select HAVE_GENERIC_VDSO > + select HOLES_IN_ZONE > select IOMMU_DMA if IOMMU_SUPPORT > select IRQ_DOMAIN > select IRQ_FORCED_THREADING > @@ -1053,9 +1054,6 @@ config NEED_PER_CPU_EMBED_FIRST_CHUNK > def_bool y > depends on NUMA > > -config HOLES_IN_ZONE > - def_bool y > - > source "kernel/Kconfig.hz" For arm64: Acked-by: Catalin Marinas