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b=E9fGcD86Lx9XaWIpof0R7WUxZBmGxJ67mAfGNyxR1VMoMYLYRYiqCdyL00LjShnRG 70cfe5mHbIJaOOM9q5iRijQ8mzdENzfPv3fQ3OVRiqnKTb/JdmquA+tEVlZk/9AJCr VC27Rtvis8BoRNO634nMCsXM+sZ6+dg5WRXuYrO4dv66qPbaAFDSjHP+Ot9FMMXqYL zMsn5dgo/uBFv1zS4YgMVA7Xe94gz/jZS4h6/GH1cdyfNi3dPNvOB79WAqdOeamWSy BorNP6QWpar3MvsLNku0jhe8L7Cm/mwBlttLWHXD0svE7jyliIAmGRDt6G/Tc6/kWh cAV5vKYxwjCsw== Message-ID: <4df90a0f-0bba-4899-9232-e3e968b55138@kernel.org> Date: Wed, 11 Nov 2026 21:58:33 +0100 X-Archived-By: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3] mm/memory: drop PROCESS_PAGES_NON_PREEMPT_BATCH To: "Garg, Shivank" , "peterz@infradead.org" , "ljs@kernel.org" Cc: "Rao, Bharata Bhasker" , "rppt@kernel.org" , "ankur.a.arora@oracle.com" , "vbabka@kernel.org" , "akpm@linux-foundation.org" , "linux-kernel@vger.kernel.org" , "surenb@google.com" , "linux-mm@kvack.org" , "Salunke, Hrushikesh" , "liam@infradead.org" , "mhocko@suse.com" , "bp@alien8.de" , "Nayak, K Prateek" , "pfalcato@suse.de" , "x86@kernel.org" References: <20261109-clear-pages-batch-v3-1-6693efe18dff@amd.com> <20261111124006.GI2668564@noisy.programming.kicks-ass.net> <20261111132105.GJ2668564@noisy.programming.kicks-ass.net> <261ef956af0843f414b4def58b13dae003c933ac.camel@amd.com> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 2A9541C0008 X-Stat-Signature: ej4rh76oxhs8khwczhajmuji3p91jmnc X-Rspam-User: X-Spam-Status: No, score=-7.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_PASS,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=4.0.1 X-HE-Tag: 1794430726-48224 X-HE-Meta: U2FsdGVkX1/HpzKjcQ2OVgF/U32XWuffvMD5GNWfsoF7lWcjFookFZTt6toWKoc65Si9VTYlQjlIzjcTYpzhLgWkwQYR9ZILvdhNHuCTFGMbcDel0Vp4nTIxa+5vDlfYpbvrFtWnmi6w69cLoVel+9Rmma0A5jBYADGcd+FvQ6BPWSiYgsrbFmetP5zfnI72Uy5Q7gtyZumL37AnrZIyacbhF6vLO8T/SEEeLGpb63Jbunlh4sTldzeuey+Kc+Y8GrdLxhuI3UWo6pVIj5KFqhRo+fGt4vYZCzoFVKQTRmAOG22nSuh8uFwS/UUG4Jx6PcTVawvdl/0wdbHPfY7iVVGrj7eCHXu+qlfTWNwr+d5twJoA5/XCgFjFMPMrISB4RsgCAQIWbvEQ4kE250QxQgBoPwvF4NZB3sUZGlIkFkzgizq53NeQbLEE5CF45picqCwTnAci1HVTqK3gZBqyjUbuSYtFk4ppN92d8PcoOW4cYjofBCCo4O5kVZ85WzH3gPI4IesqI6tFu0OfBSz5qKVIyTn2UbVKMFIp7fM0gOglbR0O/q+yxTBFaCIemqkl02/FewXvaEsMdNG8AuXj2alQ2QqFZnJjrvXw2ho1w1jvyKiYpiivI3hKBeW/1ZbQoe2XyQ+gyohaWmRzS+jW4ViII/GeTwWCSYidHJ8GnTtDpWNV/eU7BSVhGMybAnZN2U4ldSEUoJc1r6RlZMSMcWETH21KMDKBAgJrRrZZU/7g3iM122Xlxx9ltOkVAxFKzGJtxqLERYRMkFrERzEnSG2HJFMG0vnG8Rrt3zPyFMPf5j/bkp/KJj6YQ9dWgXbJILKNbEgLnhgPjRxsxbc6YicFdwOIvwlmoNg07uGxEDFBYqGlYDdgDSQEmWJGSzl4VuTMhB1e/fbXhyNRxtzxVX7VmvVcU9EbW5ERF5w4eyOluIMXpSoZZAUZFmEV9YGDR2JbLuAJHwf/Bj57udo zyV4ylPI eDMgzcVcNkWu/zbp9pwi4AKrPvZewb1bjxjyZDfy49+ny/0eY5DpTyOr6Ffi5ViDgzFGfboMt6dJzCiSYxrCDteUgxPErxZQu2pEmFGIjD3UHR0q9FgQEH0P75oExjytSuq9hB8GQCJjGZeUhCSX3nfuvEwY6nzSMBBugaS4wt5LbNtCuu2Miw6lssLCBRmjnWgYR7tA6fXvGZXHCJgy7gRxW1iZxuePleMIiwWzebVzhefs31seGZ2KP1z/BDkJ36VgzyZIRM1W/Vzf+4zDAzF0b8ie2/gD6I6KkWhmlbrhPpMvUQC2z3ZeEp9x8diLmReJTQPGaOoRrW94TJ6D7crFuTi2/0In2D5LPs8lmiN9Qzca8D/NRgfim5mNEvv6r1LgCrMetvTFzVkF2L9ClsD9GKrGPDgItqsYMjqoQ7MeCY4I= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On 11/11/26 20:07, Garg, Shivank wrote: > On Wed, 2026-11-11 at 14:21 +0100, Peter Zijlstra wrote: >> On Wed, Nov 11, 2026 at 01:12:06PM +0000, Lorenzo Stoakes (ARM) wrote: >>> >>> I guess we all got used to the existing patterns and I for one only >>> recently found out (doh) that this was legal in kernel style (because I saw >>> it used in KVM)... >> >> Right; which is why I keep reminding people this is now 'legal' :-) > > > Thank you, Peter. > Good to know this and I'll keep in mind for next time. > > btw the patch is already in mm/core.git. I don't have a strong > opinion on this, but I'm happy to send a V4 if you'd prefer. I can fix it up, but we can also just leave it like that. (I tend to prefer the old way of doing it, but in the end I don't care :) ) -- Cheers, David