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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0BE51C433EF for ; Thu, 31 Mar 2022 02:41:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229865AbiCaCnm (ORCPT ); Wed, 30 Mar 2022 22:43:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50860 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229889AbiCaCnj (ORCPT ); Wed, 30 Mar 2022 22:43:39 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3078D70856 for ; Wed, 30 Mar 2022 19:41:51 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id C7B26B81E94 for ; Thu, 31 Mar 2022 02:41:49 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id F2A9FC340EC; Thu, 31 Mar 2022 02:41:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1648694508; bh=fFqDny+IW58LisJ6+taIO+4NpYn6YxJw3Mdt7OIWU0c=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=MZbGRtlePXflgbljaguji7KawLCzAaU2Rj87PxNV7ta18e2gEdOzyPt6V0/JNJpom 1iHh6+SkDtZztAt6yCB2LV/2L2UYDvs9CUjLaAws9pj+wjGMmJWd6LuZ41FPlVhtUZ noN3FEJblCWRJf3k9IdR1YgRAWAzOPsStqUmM6tA= Date: Wed, 30 Mar 2022 19:41:47 -0700 From: Andrew Morton To: Muchun Song Cc: will@kernel.org, david@redhat.com, bodeddub@amazon.com, osalvador@suse.de, mike.kravetz@oracle.com, rientjes@google.com, mark.rutland@arm.com, catalin.marinas@arm.com, james.morse@arm.com, 21cnbao@gmail.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, duanxiongchun@bytedance.com, fam.zheng@bytedance.com, smuchun@gmail.com Subject: Re: [PATCH v3] arm64: mm: hugetlb: Enable HUGETLB_PAGE_FREE_VMEMMAP for arm64 Message-Id: <20220330194147.000c80ef35345397756e096e@linux-foundation.org> In-Reply-To: <20220330145400.18565-1-songmuchun@bytedance.com> References: <20220330145400.18565-1-songmuchun@bytedance.com> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 30 Mar 2022 22:54:00 +0800 Muchun Song wrote: > --- a/fs/Kconfig > +++ b/fs/Kconfig > @@ -247,7 +247,7 @@ config HUGETLB_PAGE > > config HUGETLB_PAGE_FREE_VMEMMAP > def_bool HUGETLB_PAGE > - depends on X86_64 > + depends on X86_64 || ARM64 This list is just going to get longer, until someone goes and switches it to use ARCH_WANT_HUGETLB_PAGE_FREE_VMEMMAP or whatever. Why not do that now? > depends on SPARSEMEM_VMEMMAP