From nobody Wed Dec 17 05:10:44 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 CE2B9CA5534 for ; Wed, 13 Sep 2023 10:54:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239805AbjIMKyi (ORCPT ); Wed, 13 Sep 2023 06:54:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60198 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239766AbjIMKye (ORCPT ); Wed, 13 Sep 2023 06:54:34 -0400 Received: from mail-lj1-x230.google.com (mail-lj1-x230.google.com [IPv6:2a00:1450:4864:20::230]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 463AC1726 for ; Wed, 13 Sep 2023 03:54:08 -0700 (PDT) Received: by mail-lj1-x230.google.com with SMTP id 38308e7fff4ca-2bfb17435e4so15902811fa.0 for ; Wed, 13 Sep 2023 03:54:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance.com; s=google; t=1694602446; x=1695207246; 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=P5GWihmMHmwcNkj9lfDILOmiDbCAze1/o2zhKzbWGEmPSTV6Vveaa4b96w64JfAGgH UXr2WFXck9FLMeG1WT6GZbzf1dY0VJ7tee9TjuJSGvzLjKfdSc7J7pv8T5I4d1SxIC8P JByflZJXcSNcu7WmFW2H9ub1Ppgi0oYGo0feH64uYnCcKfTojMGVee2IuWkhYXFMW70q TRqXzB/7caGX1dcpqMkotb0p1ELUEMNCICleLJsP3QpsshS90o22q0w5SDW+RF3jj4hr 9zQvnQaiBYEcw1vVXCq+x8xmtHHlgX/YgajPjDRBQsyonoW4ykWYYaMXEN/gNQV3y0pe FW9w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1694602446; x=1695207246; 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=bUjMjqZHFrRNWI7FouGKUW7ZBBDYeX7cVgtXgdDJcDz3/KH8ikWxiNuBrNunmNR018 WmkG+GfdWRWqWSglr6e5XNXD/ytGLBuzeWFDzC93kXQb30+M8xUwyQKETCgmdbliVlyX p/oDjtcNdBJWLA28liaqWyEryB0Q/aPtA4HL9CZy5m2pu1aEBFag5AI/da64Pu8ZFUMi z3WeWNJmHsNWuJ0FIeg83/Y97Z8OW3xW/E6YbJb8aqgPamUBsv7vRQkMPaeCDAfpLnjo ieKporHgBGSkKTkYqp6RYpiXgafxnHh057NWQJERa4F2SWwVWI5uCB0csotv6MJUZYCZ PHqQ== X-Gm-Message-State: AOJu0Ywic08p1kjGAsL6vieFVDK5vh95s8iuQbzbDitcYME455NSr8Mt jIR9LOShvvFb0X5CD1SGlU0ptw== X-Google-Smtp-Source: AGHT+IHgwCAQBLvB0z1DFSfacZLlZe7iyFgzrmCJNMai57WocOmkFwr5tPYGi6nJ7z357utYkGkfeA== X-Received: by 2002:a05:651c:8f:b0:2bf:9576:afd4 with SMTP id 15-20020a05651c008f00b002bf9576afd4mr1875974ljq.16.1694602446317; Wed, 13 Sep 2023 03:54:06 -0700 (PDT) Received: from localhost.localdomain ([2a02:6b6a:b5c7:0:59d5:28b9:7f13:cd1b]) by smtp.gmail.com with ESMTPSA id p36-20020a05600c1da400b003ff013a4fd9sm1757055wms.7.2023.09.13.03.54.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 Sep 2023 03:54:05 -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: [v5 1/4] mm: hugetlb_vmemmap: Use nid of the head page to reallocate it Date: Wed, 13 Sep 2023 11:53:58 +0100 Message-Id: <20230913105401.519709-2-usama.arif@bytedance.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230913105401.519709-1-usama.arif@bytedance.com> References: <20230913105401.519709-1-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