From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0A435E8B396 for ; Wed, 4 Feb 2026 03:41:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:To:References:Message-Id:Cc:Date: In-Reply-To:From:Subject:Mime-Version:Reply-To:Content-ID:Content-Description :Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=8xkA17bI9EDJQMx92u041wKz4YdAX7QrKrHXna82fUI=; b=4rsgkg3xyG+7O1 LNE4taPFTterQxXBMA0ZlQqUi/dCbKYm1n6uE6jPH2sX55uVDeN0GR19O9k73G9qmQyI9t2lYSUJE A+Dh8G/fOfgy3Rt2vBoS94DILd9CQi/X6Ftrjpe9eGl/RzI8Xbt4P2ssVSAir7YMpr20M+M7lleQ1 bxz4jULXHvbsypFm5BDFvTdFSKDPhSeakqPVeRHX3vEazBVN15+AJItZBjvG3Li0eHbgyOV2LDDjD DaQMz6dUK5hl92bu0BMshvqhLF16/l2qYqmmoPwdoN87+Wf4goijsnPOi5MzzSlIcn1mMwY8Meg68 96sl1cIij4QfmIY50gEQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vnTlZ-00000007qWj-4BhB; Wed, 04 Feb 2026 03:41:22 +0000 Received: from out-178.mta1.migadu.com ([2001:41d0:203:375::b2]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vnTlX-00000007qVk-0TVD for linux-riscv@lists.infradead.org; Wed, 04 Feb 2026 03:41:20 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1770176474; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=av/LVp9xwxJIyR+sVr9rZtKTvZHoc1HeKyc5uhYMiWw=; b=UoKDcIES+RABsrqsGspcjNyTH5E2HcfcoO9yvsRp3kXe/z+lkRBZiIyycQqxp54gkgqSqN JT5I86dCMF/pZPS6L/3HiIK91K/EaNVcawSSNzTl0YCPF3pUDQSGylLkB3JpjmeFJR+e3p bgF0Ie6YyD+qiWXrQ4h+pFLRhlWrMmU= Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3864.300.41.1.7\)) Subject: Re: [PATCHv6 08/17] mm: Make page_zonenum() use head page X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Muchun Song In-Reply-To: <20260202155634.650837-9-kas@kernel.org> Date: Wed, 4 Feb 2026 11:40:35 +0800 Cc: Andrew Morton , David Hildenbrand , Matthew Wilcox , Usama Arif , Frank van der Linden , Oscar Salvador , Mike Rapoport , Vlastimil Babka , Lorenzo Stoakes , Zi Yan , Baoquan He , Michal Hocko , Johannes Weiner , Jonathan Corbet , Huacai Chen , WANG Xuerui , Palmer Dabbelt , Paul Walmsley , Albert Ou , Alexandre Ghiti , kernel-team@meta.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, loongarch@lists.linux.dev, linux-riscv@lists.infradead.org Message-Id: <92298523-BC8E-459A-B99D-3C91D57982D0@linux.dev> References: <20260202155634.650837-1-kas@kernel.org> <20260202155634.650837-9-kas@kernel.org> To: Kiryl Shutsemau X-Migadu-Flow: FLOW_OUT X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260203_194119_741195_B0AB3748 X-CRM114-Status: UNSURE ( 8.12 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org > On Feb 2, 2026, at 23:56, Kiryl Shutsemau wrote: > > With the upcoming changes to HVO, a single page of tail struct pages > will be shared across all huge pages of the same order on a node. Since > huge pages on the same node may belong to different zones, the zone > information stored in shared tail page flags would be incorrect. > > Always fetch zone information from the head page, which has unique and > correct zone flags for each compound page. > > Signed-off-by: Kiryl Shutsemau > Acked-by: Zi Yan Acked-by: Muchun Song _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv