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b=AoStovJ4cknTH9yf8FlPd44wCfgOrCKQtmFMEE4onuK4oRTUFWr8GrtMyQ73KdzR2 mk3N4PL/RhY8478yGUAJhBf5Xs8yReJMjtQOnmwL4Snre+Nlrre4BozPBHMnNC10+A 73/wiNs2fJsliWTx77SIUXaMKOrgPJkSo+U9qf0M= Date: Wed, 11 Mar 2026 10:06:46 -0700 From: Andrew Morton To: Alexandre Ghiti Cc: alexghiti@kernel.org, kernel-team@meta.com, akinobu.mita@gmail.com, david@kernel.org, lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com, vbabka@kernel.org, rppt@kernel.org, surenb@google.com, mhocko@suse.com, hannes@cmpxchg.org, zhengqi.arch@bytedance.com, shakeel.butt@linux.dev, axelrasmussen@google.com, yuanchu@google.com, weixugc@google.com, gourry@gourry.net, apopple@nvidia.com, byungchul@sk.com, joshua.hahnjy@gmail.com, matthew.brost@intel.com, rakie.kim@sk.com, ying.huang@linux.alibaba.com, ziy@nvidia.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Bing Jiao , stable@vger.kernel.org Subject: Re: [PATCH 3/4] mm: Fix demotion gfp by clearing GFP_RECLAIM after setting GFP_TRANSHUGE Message-Id: <20260311100646.81819c0f02eec5d3f1dcaa70@linux-foundation.org> In-Reply-To: <20260311110314.237315-4-alex@ghiti.fr> References: <20260311110314.237315-1-alex@ghiti.fr> <20260311110314.237315-4-alex@ghiti.fr> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: DF1834000F X-Stat-Signature: qrhbgnfgxpyh4g6kiyqu1sbhjs8u6o8e X-Rspam-User: X-Rspamd-Server: rspam06 X-HE-Tag: 1773248808-447143 X-HE-Meta: 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 C9PJGpsA pZwuzYpEkWEVoo3lfVrb+SudLx1OgPeIPu40ropJMhhVJGNtuRB7pMLtnHJqfDowGO+ujwW3bIEJn2mDbSIf+S5zQw2egNKioFVf0W/KAJ5CKZHn0m3kTmiLRnKFlH/YP63iZWqbm9RXQvw2MItCxQtYAoX0mu0IvjwUco0S9u3/4prBk8X6YoGH2t+DxrtjCMR9yXohJjytnjqs5rTeO6x0h0duvM+iyEd0E1QuFhvsI661aBnqKINEqW6IvdME/XrIm6oHpGhGGiOP0aqDhF4FIzl5Hsf7JIs13wi89OAwl9J2DSviZN2gfmK4OMzzBL7ibwEbigvUm6u/Ne8GdVgdJ6Z1/0cX+WrNW41tRbr51MfK8CVZlLtar2ABb8qmUc1mhsdPrIy+MCuk= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, 11 Mar 2026 12:02:42 +0100 Alexandre Ghiti wrote: > Fixes: 9933a0c8a539 ("mm/migrate: clear __GFP_RECLAIM to make the migration callback consistent with regular THP allocations") > Cc: stable@vger.kernel.org Please let's have the cc:stable fixes separated out from the cleanups, and prepared against current -linus mainline. Also, when proposing backportable fixes please ensure that the changelogs carefully describe the userspace-visible runtime effects of the bug. Thanks.