From nobody Wed Sep 10 02:51:18 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 52D22C001DC for ; Thu, 27 Jul 2023 20:46:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231721AbjG0Uqi (ORCPT ); Thu, 27 Jul 2023 16:46:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34390 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229522AbjG0Uqf (ORCPT ); Thu, 27 Jul 2023 16:46:35 -0400 Received: from mail-wr1-x432.google.com (mail-wr1-x432.google.com [IPv6:2a00:1450:4864:20::432]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 923272D45 for ; Thu, 27 Jul 2023 13:46:34 -0700 (PDT) Received: by mail-wr1-x432.google.com with SMTP id ffacd0b85a97d-3176a439606so1400731f8f.3 for ; Thu, 27 Jul 2023 13:46:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance.com; s=google; t=1690490793; x=1691095593; 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=ZZUlyW4YzysoCHAYMp2/sA6YrKmTeac3t3azsTg4jDgno5140SsxzboZ2DX+sYyTar QBt4NCcbIwVqU6ECOkAxzfNVYTJSA4UoAO9vNAzRgOzSciNduCZzg6hsTy30yZygE/FX Y3IhdC9ei8B4xOpa33YxJ+rAYbRMQmfBhHWbkpR2MzbCVvhFxC5cl2XdP9qY+d1bHhgd lqfn5I8dfHTphHuAk/OGTexXituKKGFsXZtEGV8Pe+xS2H+P9mt/hFkl6RI2Q/3BRFmT 8QbfWy8NIL5JwByXBCIWXDjISwNspvj4RcypyTUIR9HRGShbKOG5H+xfqxUKSelybJ2e i7JQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690490793; x=1691095593; 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=XGLUlnn1iD+NYgCwrKBTGtwffgNr6WkRbv0VflyZIkqC9iSxHp+mrMKa+L1mFJketw mVA5rEGN6XBAUqxuHxI4b5AjZcVXWXP33T9FmONwd10gEkGiZw+iSfyEq52HZUgvAkx6 1O7hJGnbD90U4ybeRe5UTHPNzBmtYZoW/++QWNLKsYq3bkJOEXQA+4ZyLFi0YNpbweXR xalkJP/GY7OyWKxIKb49CzfvMMuV6xMV61lCVTOfDiP/dS6r6nw4ldDZb73l9sgEupck RfGE36Q5qRBSYLcvdmzbKyfkwhwPCHDpM0N3PUy5ov4O39Y7QBVx2mc6cD+5YJ9HVG1e 7WdA== X-Gm-Message-State: ABy/qLbliNXnrAtc00L9SaqcPaiRNlWyHXfTxAtIxjsiyMVGRo2blJ1M jQJMhG7V1eLcN6MH2gwPWYlEdA== X-Google-Smtp-Source: APBJJlG66jp7ldTsiVfnEBvuqVAQDlHt8IOfvNpmcOCKQllr9otAKlvj+wF8PQJddxyevra73/5ciQ== X-Received: by 2002:adf:ef4f:0:b0:314:32b6:af3 with SMTP id c15-20020adfef4f000000b0031432b60af3mr204498wrp.5.1690490792997; Thu, 27 Jul 2023 13:46:32 -0700 (PDT) Received: from localhost.localdomain ([2a02:6b6a:b465:0:7e3e:db9e:70fa:9ccb]) by smtp.gmail.com with ESMTPSA id k1-20020a7bc401000000b003fc06169abdsm2701400wmi.2.2023.07.27.13.46.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 27 Jul 2023 13:46:32 -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: [v1 2/6] mm: hugetlb_vmemmap: Use nid of the head page to reallocate it Date: Thu, 27 Jul 2023 21:46:20 +0100 Message-Id: <20230727204624.1942372-3-usama.arif@bytedance.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230727204624.1942372-1-usama.arif@bytedance.com> References: <20230727204624.1942372-1-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