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From: Muchun Song In-Reply-To: <20260423053237.a44b68034673bb35a1e042cd@linux-foundation.org> Date: Thu, 23 Apr 2026 20:43:02 +0800 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 Content-Transfer-Encoding: quoted-printable Message-Id: 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> To: Andrew Morton X-Migadu-Flow: FLOW_OUT X-Rspamd-Queue-Id: 73B10140008 X-Stat-Signature: zdfsyqaggfqsrn9h5brkwidseyuhkk1d X-Rspam-User: X-Rspamd-Server: rspam09 X-HE-Tag: 1776948490-334425 X-HE-Meta: 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 W+ZJ6329 uY4xgQzHc5pvYs2SsHvmSnC76iEQEmPw6mMxIz2JjlMUeAcX3ngC/8/xYX/J+XeJpcrLe71lmmC/HsHTTm4yoClyQsQomH8bPu+i9H35xFhul6+iMfXetZBtLyjFQq2f+Kf4kYmjf1FF3b1bxA5UUKqFpawOvVmjG7kqivZ0PIqhTpKbdvohmQhmuS9EZxeGQlXpribdqgEFEkvOao5F8oMz7eKsXZLTlXMVuhiP5CCWu/tiThiAQo1fixEyxGv+e6w7YjdwmDLkyBZxONZG6N0Rh2ZQ4jDPiKk6zplfyNN7MkfU= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: > On Apr 23, 2026, at 20:32, Andrew Morton = wrote: >=20 > On Thu, 23 Apr 2026 20:04:21 +0800 Muchun Song = wrote: >=20 >> Ah, looks like I need to update the patch to fix this. >=20 > OK. Please have a think about which patches we should backport into > -stable. Possibly all 6! And the timing of this backport. In theory, I think all of these require backporting, and each carries a = certain level of potential impact. >=20 > 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. Thanks, Muchun