From nobody Fri Dec 19 11:48:32 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 2E987EB8FAF for ; Wed, 6 Sep 2023 11:28:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239715AbjIFL2L (ORCPT ); Wed, 6 Sep 2023 07:28:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60806 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239652AbjIFL2E (ORCPT ); Wed, 6 Sep 2023 07:28:04 -0400 Received: from mail-wm1-x32e.google.com (mail-wm1-x32e.google.com [IPv6:2a00:1450:4864:20::32e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3206F198A for ; Wed, 6 Sep 2023 04:26:58 -0700 (PDT) Received: by mail-wm1-x32e.google.com with SMTP id 5b1f17b1804b1-40061928e5aso34014035e9.3 for ; Wed, 06 Sep 2023 04:26:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance.com; s=google; t=1693999574; x=1694604374; darn=vger.kernel.org; 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=av0vrlLKsg9xBQaLOcb8CPCy93VQFu46a3TbtxpfU4U=; b=czpBoukDfVXyFaJd9Gk+66hc0DcfXYWJU0NzkDqNlmZ4mLox/jGqU03IZY6Pzt4HrG gKmT0Vsddr7sOa8T7RC5Ns7LK3gp915RaQCLxevSRXnMnwX9xSoINXUjZPW3mtkY+pDL Xa0Ap5+sn4qyNGV+hX+FntVAei4R3a0eOJ6CQjbm+GMuKFN9fflhxQvBynHJ1F7rXf4k 7MCEnLkR/L8kxSvwTT7CVI3mnht7dBBzxRpimlsTzGxKc/n6zsZPJ5bvw/v0VyumrjvU VGUIjQ7UbeYxTGYLPJcy6H9xJADP8ojPa64aAG5WxVLWPnE2DafotBLYDoJvTEInQwMf FloQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1693999574; x=1694604374; 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=av0vrlLKsg9xBQaLOcb8CPCy93VQFu46a3TbtxpfU4U=; b=CTzrp20a9yO1+413lG6yx5kik8wVyEyamterxyj3wo15NMhRkxfw+FmG78lg2/eorZ uWU3ld+d7o11N6r7spmY0S/WGKsotAwidj3VoLj1Uoq/Nebs+HI4blXDE/7NJohBRIIU y+uqisZ/TPQCuHpgOb70W1SRQz1Y/SE7k/X5jYOvpP748A3heP7guAxSFdIfXpF6UGWl U3sZLyCqqLTd2q8Xz59FWgjV0/38/XXNcfyfLQtrM6vGeOnf5BtMmhxj8TZk8WENQiOo J3Ln1ZrSJB8kuxSE80kY5VWX8nP11+rL+GoPzqsA4JzecNPyuQOqsnAZ2dMvJT8mm9Ay Pi6g== X-Gm-Message-State: AOJu0Yx2lEzytkYmtCWf7TvM4wW8QcuIdK5ZeOEFdMj7gqMwcBeHWMv2 qh2cuEWgOlnK1ctEK8ZIqb2adg== X-Google-Smtp-Source: AGHT+IGfuQHaisNrB06g+lM8DTnZejhWb0AvcDwNQlGyVyddAaYvBx9qw9hwTN1kM9+mHaBZBNHmCA== X-Received: by 2002:a05:600c:3781:b0:401:73b2:f043 with SMTP id o1-20020a05600c378100b0040173b2f043mr2208214wmr.1.1693999574258; Wed, 06 Sep 2023 04:26:14 -0700 (PDT) Received: from localhost.localdomain ([2a02:6b6a:b5c7:0:6dce:31d8:efb1:5d81]) by smtp.gmail.com with ESMTPSA id n9-20020a05600c294900b003feff926fc5sm19517038wmd.17.2023.09.06.04.26.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 Sep 2023 04:26:13 -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, songmuchun@bytedance.com, fam.zheng@bytedance.com, liangma@liangbit.com, punit.agrawal@bytedance.com, Usama Arif Subject: [v4 1/4] mm: hugetlb_vmemmap: Use nid of the head page to reallocate it Date: Wed, 6 Sep 2023 12:26:02 +0100 Message-Id: <20230906112605.2286994-2-usama.arif@bytedance.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230906112605.2286994-1-usama.arif@bytedance.com> References: <20230906112605.2286994-1-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 Reviewed-by: Muchun Song Reviewed-by: Mike Kravetz --- 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 aeb7dd889eee..3cdb38d87a95 100644 --- a/mm/hugetlb_vmemmap.c +++ b/mm/hugetlb_vmemmap.c @@ -319,7 +319,7 @@ 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