From nobody Wed Dec 17 05:17:40 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 D0328C88CB2 for ; Fri, 25 Aug 2023 11:19:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240494AbjHYLT3 (ORCPT ); Fri, 25 Aug 2023 07:19:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39272 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243017AbjHYLTQ (ORCPT ); Fri, 25 Aug 2023 07:19:16 -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 77B6F1FC4 for ; Fri, 25 Aug 2023 04:18:50 -0700 (PDT) Received: by mail-wr1-x432.google.com with SMTP id ffacd0b85a97d-31c65820134so623900f8f.1 for ; Fri, 25 Aug 2023 04:18:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance.com; s=google; t=1692962329; x=1693567129; 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=nxvZHKtYENKC1N901ur/ZbT/Aj89mU0uDVwxqxk+868=; b=K/Jam9neS+gbs4EpfQDhGOSkHOH1JbnmbxU85K89H2k7ENKtddEhSBMHutTYc2ujhw ZMp0c1Adl/pniAsythqyZLNw4NXnEULOCFp0MuLwG2lxrPEoKnblKqitSh0fpcWNhXkz C4MYw4KlJP7ZB7HCzQeS49dldXs559hTCc1db7Kq3xFpD1EY8DCo7sLfxOqmJl6PxG/S wbJjBOIR3B2vAcL9tu3KuUiquHb/e+5RaoNbkUK/TBgFdvAo0zeqvkuVeYFqFBSB6MUa tZwke+2F5iihc4kb3eDabnmS298FS/DaifERsJLqGQC2ThyLlXPsFG2aaNJGbHq00ppL y1JQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1692962329; x=1693567129; 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=nxvZHKtYENKC1N901ur/ZbT/Aj89mU0uDVwxqxk+868=; b=VKWOQc0jgB9BLBHOMQniDlLQe+PEs6ZhSXvmkmcC3BdtO9ir9Om1zX76b/A0OLYYyY Avjib2KXDjvHla6BwmW3K5ckRX3o9ae8qVv+oJ3lV814HSOBoSuar8QnbGhP6AbSrn/y WOfYzpSGwM9wzfUh/RO96wiYt69fnPv8KWw68IBDT8VzZdkdatUFVhdxYCGvc9QXjkea c0PHNNaJecynhzEOmgrGx4Ho1Rh/YI9+CBW1zV4aOR86zupWDge9SIAIr6WiJCyfnhsy b4PF0iZFKMEU2mX7cpEHTfO7vuOvcXwxnfnOHTm8RnAXtAi81Kju55biumC7sUbVN/QG FrNQ== X-Gm-Message-State: AOJu0Yxx4xZJuCfw41aox/Bs4HN8oTDIMuA/itSHXYwyiLSW23pdzuCY UUfbHSynxKDR5lLYPcOta1W+/A== X-Google-Smtp-Source: AGHT+IG7fidFBnhPCCm7z2OPyt2Wleqo2J6p8ROG+32Spl+z/EhkhXc8nY2Kixdo4gyAJlJbfWGltA== X-Received: by 2002:a5d:568f:0:b0:317:e5ec:8767 with SMTP id f15-20020a5d568f000000b00317e5ec8767mr13413417wrv.21.1692962329092; Fri, 25 Aug 2023 04:18:49 -0700 (PDT) Received: from localhost.localdomain ([2a02:6b6a:b5c7:0:9000:8d13:d0bb:ba7d]) by smtp.gmail.com with ESMTPSA id g9-20020a056000118900b0031ad5fb5a0fsm1939502wrx.58.2023.08.25.04.18.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 25 Aug 2023 04:18:48 -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: [v3 1/4] mm: hugetlb_vmemmap: Use nid of the head page to reallocate it Date: Fri, 25 Aug 2023 12:18:33 +0100 Message-Id: <20230825111836.1715308-2-usama.arif@bytedance.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230825111836.1715308-1-usama.arif@bytedance.com> References: <20230825111836.1715308-1-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: Mike Kravetz Reviewed-by: Muchun Song --- 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 c2007ef5e9b0..208907f2c5e1 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