From nobody Wed Sep 10 02:33:51 2025 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 8DE57C001DF for ; Sun, 30 Jul 2023 15:16:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230040AbjG3PQn (ORCPT ); Sun, 30 Jul 2023 11:16:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50616 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230027AbjG3PQi (ORCPT ); Sun, 30 Jul 2023 11:16:38 -0400 Received: from mail-wm1-x334.google.com (mail-wm1-x334.google.com [IPv6:2a00:1450:4864:20::334]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E56421716 for ; Sun, 30 Jul 2023 08:16:12 -0700 (PDT) Received: by mail-wm1-x334.google.com with SMTP id 5b1f17b1804b1-3fbc5d5742bso41888745e9.2 for ; Sun, 30 Jul 2023 08:16:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance.com; s=google; t=1690730171; x=1691334971; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=VUFHsk/m/GY1eTNfZx8Py//rj4lEwu1OMjpML8i4XiA=; b=JoxH10l13AhAr8ISmwB2i1gOf6hMfDgdag1NYZGf8eqVGmEdh4R3IE2D1prI5+wzm7 vu1QD7xvEBstHjEIbxAMlgCCO00ONBH3G5zPFMoDk4Drvk6SzML5WNLP4tfo6lnQh865 TX13dZrkIeWswvkw6xN/xmei3GAwgiUombSwNiUwcW22Vp57PvkxefJyTKdVVA+u+gzP VbGxb9p/bzQfa6R6GWeFqN5krmkkMZbJxyXakbPqdmWiMydGR5JelRYvQMAxOrQf62pU o4lWtSXohDF8KsxmkSED8zQCamat1slkfvH7Xda+Eyuy3MLasON3KHOua9umK5WY8Nob wW5Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690730171; x=1691334971; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=VUFHsk/m/GY1eTNfZx8Py//rj4lEwu1OMjpML8i4XiA=; b=RMg2GfdFISe3acNSNOvZ9cm0P9VWd0Zb2Ad1F5XQz4wsNUj+BoWzPGtB9Ei/1o86vC kFPBKuzBs0SIm1Lp1iyQHe0A3triHfOn6CMmdFMKqgWTayOz7W6yWqX+xQV+Fk61M/rJ R4NQ85/KvwOYHs4ilJsMpDJlCU2TL9R6ZycgsE2TiVwixWcHPlUIvxN+jdwNhHQ4Lz3B m/p7OErswrzoSyKku5JU+LUc33wgieqFX3X3P+ySmqB10+VhXwL6Pfsv5uWloqO6v37F LMFT6m8udhud/JaFiGbdnomVGAAmlARW+UznJ2wGHy5DUzC5Mgj0ZkB7MvU/4x7Df3gg x6LA== X-Gm-Message-State: ABy/qLbd6bAzhkiuORD4pY0uxbXQTzFydHg2tc7dA08gWsTyJAH1npUV KwNb+faOysaCcPHTeFG5dQepOQ== X-Google-Smtp-Source: APBJJlFtcqfY902vGXRLqPZchnNVVitcnCdU3eEgHgB4d1amxrHvfEkxn/i1iktNVcoW6QdeU+DsCA== X-Received: by 2002:a7b:cbd5:0:b0:3fe:1db2:5168 with SMTP id n21-20020a7bcbd5000000b003fe1db25168mr1370994wmi.11.1690730171283; Sun, 30 Jul 2023 08:16:11 -0700 (PDT) Received: from localhost.localdomain ([2a02:6b6a:b465:0:eda5:aa63:ce24:dac2]) by smtp.gmail.com with ESMTPSA id f17-20020a7bcc11000000b003fd2d33ea53sm9123027wmh.14.2023.07.30.08.16.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 30 Jul 2023 08:16:10 -0700 (PDT) From: Usama Arif To: linux-mm@kvack.org, muchun.song@linux.dev, mike.kravetz@oracle.com, rppt@kernel.org Cc: linux-kernel@vger.kernel.org, fam.zheng@bytedance.com, liangma@liangbit.com, simon.evans@bytedance.com, punit.agrawal@bytedance.com, Usama Arif Subject: [v2 2/6] mm: hugetlb_vmemmap: Use nid of the head page to reallocate it Date: Sun, 30 Jul 2023 16:16:02 +0100 Message-Id: <20230730151606.2871391-3-usama.arif@bytedance.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230730151606.2871391-1-usama.arif@bytedance.com> References: <20230730151606.2871391-1-usama.arif@bytedance.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" If tail page prep and initialization is skipped, then the "start" page will not contain the correct nid. Use the nid from first vmemap page. Signed-off-by: Usama Arif --- mm/hugetlb_vmemmap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/hugetlb_vmemmap.c b/mm/hugetlb_vmemmap.c index b721e87de2b3..bdf750a4786b 100644 --- a/mm/hugetlb_vmemmap.c +++ b/mm/hugetlb_vmemmap.c @@ -324,7 +324,7 @@ static int vmemmap_remap_free(unsigned long start, unsi= gned long end, .reuse_addr =3D reuse, .vmemmap_pages =3D &vmemmap_pages, }; - int nid =3D page_to_nid((struct page *)start); + int nid =3D page_to_nid((struct page *)reuse); gfp_t gfp_mask =3D GFP_KERNEL | __GFP_THISNODE | __GFP_NORETRY | __GFP_NOWARN; =20 --=20 2.25.1