From patchwork Tue Sep 15 12:59:27 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Muchun Song X-Patchwork-Id: 11776501 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4CAE1746 for ; Tue, 15 Sep 2020 13:02:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2A00520936 for ; Tue, 15 Sep 2020 13:01:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=bytedance-com.20150623.gappssmtp.com header.i=@bytedance-com.20150623.gappssmtp.com header.b="KJWEmRh7" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726566AbgIONBu (ORCPT ); Tue, 15 Sep 2020 09:01:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48532 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726526AbgIONAv (ORCPT ); Tue, 15 Sep 2020 09:00:51 -0400 Received: from mail-pl1-x644.google.com (mail-pl1-x644.google.com [IPv6:2607:f8b0:4864:20::644]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F0B06C06178B for ; Tue, 15 Sep 2020 06:00:48 -0700 (PDT) Received: by mail-pl1-x644.google.com with SMTP id x18so1304951pll.6 for ; Tue, 15 Sep 2020 06:00:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Ph9Npx9Sc9T0289Sa+bHIQdTtsrfAT1jO6vE3p2NbQA=; b=KJWEmRh74MpS+BiJEmcfSUmams10jgYpmHOWHONrwDWFrjooYDHDyiRYhnMnOh+VvH Ty93H0BLab/qOFPkqwZAtkalYiEKAswo3uakzsrS4kepjFgxSQ7RsNb+5LEwpn8pOIlN 8WcE6SBqdZ+KTgt/ZnU7xAqtXD29FYuKipqzPasecDeZxF2J000H2LHOEUoixY8onUxu xyW8ouRBL6mMCL9OCt2RVqaWSXtWesOFCJr0BX/OD1P83WlHpuvpzIBMSm3WVbYbesrO 2qFxvf8ijooHQImhd2dzz/2SA1y0avrE1ON/+PxTnAASjGYoGYzX2ETddAO+mnNasE+B /zsQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Ph9Npx9Sc9T0289Sa+bHIQdTtsrfAT1jO6vE3p2NbQA=; b=BvftJADikB1xp6gp1bzOm6gZb2rHJ/t0XERejVTeBREOglXaPTvM7Pz2tcdrR1JUjh MK54QrX7D06TGYH3RKFpbHl0DtF9oxUdCEca4Zq/h+zEQPul0cDHWrzgnbahBg+IWgj0 Xn/gAjKu+G0W1dnv11n+AhdkLoIMkXWSabTwRm+ZuNrqpP3ASpFb1pfwinzGu3M1IMgj MEILbmQevZB8jpjrPh+ko8Vc1fxcl568B3z6cHrJdhUb5S4oFxXH0RZm1QIDNVbCsWUS SX9Fz9K3Y1SitGzM/mAja+fRXJ1YWZ4UtIqDnEAplyV+QDVENTQPJCuOmXFL5kJEaEx/ 67dQ== X-Gm-Message-State: AOAM5321S8SK4sAfzSYHsBH2y35hJt7hQyV6rEeAjpLZrhKwmEXOhPOV iwOl1euWjow0rpkWAssYTEUkdA== X-Google-Smtp-Source: ABdhPJwLaJ+aIVCorogq2CdD6Jk2kg3Rfgolvi723baFH8rkm/8wVxPlvYY+XFAEuzspsZb0g54KWg== X-Received: by 2002:a17:90a:1548:: with SMTP id y8mr3968874pja.113.1600174848501; Tue, 15 Sep 2020 06:00:48 -0700 (PDT) Received: from localhost.bytedance.net ([103.136.220.66]) by smtp.gmail.com with ESMTPSA id w185sm14269855pfc.36.2020.09.15.06.00.38 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 15 Sep 2020 06:00:47 -0700 (PDT) From: Muchun Song To: corbet@lwn.net, mike.kravetz@oracle.com, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, x86@kernel.org, hpa@zytor.com, dave.hansen@linux.intel.com, luto@kernel.org, peterz@infradead.org, viro@zeniv.linux.org.uk, akpm@linux-foundation.org, paulmck@kernel.org, mchehab+huawei@kernel.org, pawan.kumar.gupta@linux.intel.com, rdunlap@infradead.org, oneukum@suse.com, anshuman.khandual@arm.com, jroedel@suse.de, almasrymina@google.com, rientjes@google.com Cc: linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, Muchun Song Subject: [RFC PATCH 04/24] mm/hugetlb: Register bootmem info when CONFIG_HUGETLB_PAGE_FREE_VMEMMAP Date: Tue, 15 Sep 2020 20:59:27 +0800 Message-Id: <20200915125947.26204-5-songmuchun@bytedance.com> X-Mailer: git-send-email 2.21.0 (Apple Git-122) In-Reply-To: <20200915125947.26204-1-songmuchun@bytedance.com> References: <20200915125947.26204-1-songmuchun@bytedance.com> MIME-Version: 1.0 Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org We use put_page_bootmem() to free the unused vmemmap pages associated with each hugetlb page, so we need register bootmem info in advance, even if !CONFIG_NUMA. Signed-off-by: Muchun Song --- arch/x86/mm/init_64.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 0a45f062826e..0435bee2e172 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -1225,7 +1225,7 @@ static struct kcore_list kcore_vsyscall; static void __init register_page_bootmem_info(void) { -#ifdef CONFIG_NUMA +#if defined(CONFIG_NUMA) || defined(CONFIG_HUGETLB_PAGE_FREE_VMEMMAP) int i; for_each_online_node(i)