From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EAFE43EFD21 for ; Thu, 23 Apr 2026 13:14:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776950044; cv=none; b=oF+3j2Kjb6i6x34CU823Qi8Jjs4hqAZbFVJ0qub3by/8BysvARS0x9v34cDd5RqNeAcKppUrPb+ALQzgbDawgCA7r5BEBnh9TXKxgdQVZ64ffVjCc7X8esShAMkkQiWZdzyjYQfO3VF/NEMtpsJ4Usxfk1RJCuUr9/Gewjmaz/k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776950044; c=relaxed/simple; bh=vnWoAcvGkh3LMITKH32uZE+wtK1wshJpIlS68Lsz+nA=; h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References: Mime-Version:Content-Type; b=K3BGtMihMJdK2CcMY+OBvrwC38GzGiPxAkxIZGtuw6qQ9Aj3chcx9l1CfR4w7hkCdc1Pnr3wuB0aC5sCrAHekKTY8Q6b4zTTZUp/kzl8x/sD5hlWQE1OvQ3c8fe3VGy0zhJHxHg/4GmKqScZ1/aVouGoqI5nFqPrExquOWSPaoo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=S03Ap+5t; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="S03Ap+5t" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B3830C2BCAF; Thu, 23 Apr 2026 13:14:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1776950043; bh=vnWoAcvGkh3LMITKH32uZE+wtK1wshJpIlS68Lsz+nA=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=S03Ap+5tRCZsFG/zml8CtLTb9BLLVXvGEoZoAY1RDgMQdM7wvq1yuwkIVYkAy2l2r ZlbkQb1/rkCirun+/str7aimc8Ii31c13+V/2Wa9O/D1OMLHNQBv4iOL3M2YQKTfNG qLoS826+ne+kj4Lz5F+ChjQSVWBhYDlhrAyzBOJ8= Date: Thu, 23 Apr 2026 06:14:02 -0700 From: Andrew Morton To: Muchun Song Cc: "David Hildenbrand (Arm)" , 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 v5 v5 4/6] mm/sparse-vmemmap: Fix DAX vmemmap accounting with optimization Message-Id: <20260423061402.71f0f37285e922f28853e5f8@linux-foundation.org> In-Reply-To: References: <20260423071911.1962859-1-songmuchun@bytedance.com> <20260423071911.1962859-5-songmuchun@bytedance.com> <1cbae635-a115-4270-bae2-64145d16f936@kernel.org> <1ADE7CE5-F02D-42B2-B7AC-FE0D6E86042D@linux.dev> <20260423053237.a44b68034673bb35a1e042cd@linux-foundation.org> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Thu, 23 Apr 2026 20:43:02 +0800 Muchun Song wrote: > > > > Ideally, split the series up into one series for 7.1-rcX+stable, another > > series for 7.2.rc1. > > Given that these issues have existed for a long time and the trigger > frequency is very low, I suggest we take a more conservative timing. > > We can prioritize getting the series into 7.2-rc1 first. Once they have > 'baked' in the mainline for a while without issues, we can then proceed > with the backport to -stable (7.1.x). This avoids rushing risky changes > into stable branches. Good plan. thanks.