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charset=UTF-8 Date: Thu, 25 Jun 2026 19:02:43 -0400 Message-Id: Cc: "Brendan Jackman" , "Brendan Jackman" , "Vlastimil Babka" , "Suren Baghdasaryan" , "Michal Hocko" , "Johannes Weiner" , "Harry Yoo (Oracle)" , "Gregory Price" , , To: "Andrew Morton" , "David Hildenbrand (Arm)" From: "Zi Yan" Subject: Re: [PATCH v2] mm/page_alloc: drop flag-conversion "optimisation" X-Mailer: aerc 0.21.0 References: <20260615-gfp-pessimisation-v2-1-65f1319e6818@google.com> <20260625155045.b1e2262c552e5a5e0116f884@linux-foundation.org> In-Reply-To: <20260625155045.b1e2262c552e5a5e0116f884@linux-foundation.org> X-ClientProxiedBy: DS7P221CA0035.NAMP221.PROD.OUTLOOK.COM (2603:10b6:8:25e::15) To IA0PR12MB8374.namprd12.prod.outlook.com (2603:10b6:208:40e::7) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: IA0PR12MB8374:EE_|SA5PPF06C91DA0C:EE_ X-MS-Office365-Filtering-Correlation-Id: ca1bf71a-d262-412b-a34c-08ded30dde35 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|366016|7416014|23010399003|1800799024|11063799006|56012099006|4143699003|18002099003|22082099003; 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If yours is not picked up then, feel free to resend it. >> >=20 >> > Ah, I thought mm-unstable didn't care about merge windows. It got >> > updated 2 days ago, but now I realise that's probably just coz Andrew >> > was updating mm-stable and then rebased onto it? >> >=20 >> > Thanks for clarifying. >>=20 >> We're targeting for mm-unstable to only have material that is already up= stream >> at the end of the merge window. > > What they all said ;) > > Officially (and for good reasons) we aren't supposed to add new > material to linux-next until -rc1 is released. > > mm.git has the mm-new branch which isn't included in linux-next so > after MM is all merged up I start working through the backlog which I > accumulated during quiet-time and merging some of it into mm-new. > > Backlog was ~1700 emails this time. Most of which gets skipped for > various reasons, > > This particular patch looks nice to me. Code is cleaner and the change > reduces page_alloc.o's .text (x86_64 defconfig) from 46571 to 46443, > which is a good sign. So I'll add it, along with a "needs more review" > note. It is actually well reviewed[1], but Brendan forgot to add tags in the original patch. [1] https://lore.kernel.org/all/DJ9KK3Z7BPYU.2HDB5IVO6Q40@linux.dev/ --=20 Best Regards, Yan, Zi