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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (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 232B8FF885D for ; Sun, 26 Apr 2026 19:54:29 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4g3cpr13WNz2yfs; Mon, 27 Apr 2026 05:54:28 +1000 (AEST) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip=172.234.252.31 ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1777233268; cv=none; b=D9ISzMgtYLgnKirlX2sOjCHSBpqNlqbC+r4S8wiAs69sjSP2iR6mU4achH1mv5THGcPrf+ZW9EKCPtHkBNfjWqgxXNnm7EJp+2flD1xTC+z/GrBkixk4RywG6+tJ4SIYZwlX/lxyc0SOqMh6cqSrWLWwcxFHF3ys7i0tyMY8uXx79c17Z/5zdABGSHXO1fhfJ343sn+ouSqFFGguwJJ9lgPYLB7UrMzWPlBU3o9J6s4bTcVFJsk8nVqmHSR/1LspTzOlnyr5PcZ+DH++F6CLQ+MFMYhhRw4uzJXIK2V5Oj4hRaOye/LODrdDBsS7NMYpBDaSc2tawMda8AlEkdgYtg== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1777233268; c=relaxed/relaxed; bh=LNtWwGmEhkrT7WalqGhI+SvhUXQY3XRF/vj/IJ9Aq+E=; h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References: Mime-Version:Content-Type; b=lzC5ou0X91mk47AdE5plrKJ9sqesMRAuu2gOS3KE/h2g0z4CXM8EltCYP7I6v5/vLpjZMc6KDnqDkPem1yM1mZTEqgND89vQsbkZNI9ydS9BCFfyNNPFMX0j5GfB004FTmHwQwHWTF7DfpM25LJqgi4hv0Q6wOiORxxdVCoJVlTJplrU+fOnbhqkcO1bYxE6tjkt+zbaI2d5SYB9gdkyt6l31nDKm3i08fWvhndZoxKG3kwmKLktIAxYHKBipIOfOYimbwYwq3flcwf4rF/qUrqhfazM81gah3ptNKFrmAqH83+A4+AVbcADtTVUBRRenjPlBWtOa82MIvfJpo4eBw== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org; dkim=pass (1024-bit key; unprotected) header.d=linux-foundation.org header.i=@linux-foundation.org header.a=rsa-sha256 header.s=korg header.b=Rp2Y7Zmj; dkim-atps=neutral; spf=pass (client-ip=172.234.252.31; helo=sea.source.kernel.org; envelope-from=akpm@linux-foundation.org; receiver=lists.ozlabs.org) smtp.mailfrom=linux-foundation.org Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=linux-foundation.org header.i=@linux-foundation.org header.a=rsa-sha256 header.s=korg header.b=Rp2Y7Zmj; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=linux-foundation.org (client-ip=172.234.252.31; helo=sea.source.kernel.org; envelope-from=akpm@linux-foundation.org; receiver=lists.ozlabs.org) Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4g3cpq0x84z2ySV for ; Mon, 27 Apr 2026 05:54:26 +1000 (AEST) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id AE8D943871; Sun, 26 Apr 2026 19:54:23 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D88F3C2BCAF; Sun, 26 Apr 2026 19:54:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1777233263; bh=2+t0bSo3wG70KgHsJncoi/FDJXRJNptMIoE1v74zA8I=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=Rp2Y7Zmj2dHc9UArOcwYWowJQ8wL5qBe9PYyZ86R9/kgcmunhNCvade1vNsLW3bCu XfsUt3s9vHrnzI7Fqd3+hJ86TN8R77toJ4BhTMvg04xEPmUgkp+uKz+OekimhPaosx UbzjpaxgPGGBHX55IHAq8lBaLfLtEclZwJAs7exQ= Date: Sun, 26 Apr 2026 12:54:22 -0700 From: Andrew Morton To: Muchun Song Cc: David Hildenbrand , Muchun Song , Oscar Salvador , Michael Ellerman , Madhavan Srinivasan , Lorenzo Stoakes , "Liam R . Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Nicholas Piggin , Christophe Leroy , aneesh.kumar@linux.ibm.com, joao.m.martins@oracle.com, linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v7 0/6] mm: Fix vmemmap optimization accounting and initialization Message-Id: <20260426125422.f9fa79ec47db2e552d75e29b@linux-foundation.org> In-Reply-To: <20260426092640.375967-1-songmuchun@bytedance.com> References: <20260426092640.375967-1-songmuchun@bytedance.com> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Sun, 26 Apr 2026 17:26:34 +0800 Muchun Song wrote: > The series fixes several bugs in vmemmap optimization, mainly around > incorrect page accounting and memmap initialization in DAX and memory > hotplug paths. It also fixes pageblock migratetype initialization and > struct page initialization for ZONE_DEVICE compound pages. Thanks. I'm assuming that none of this is urgent, so there's no need to fast-track any of these fixes into 7.1-rcX? So the cc:stable patches will be offered to -stable maintainers after 7.2-rc1 is released? Sashiko might have found another bug in there btw https://sashiko.dev/#/patchset/20260426092640.375967-1-songmuchun@bytedance.com