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Howlett" , Suren Baghdasaryan , Michal Hocko , Johannes Weiner , Zi Yan , Axel Rasmussen , Yuanchu Xie , Roman Gushchin , peterz@infradead.org, dave.hansen@linux.intel.com, mingo@redhat.com, tglx@linutronix.de, akpm@linux-foundation.org, david@redhat.com, derkling@google.com, junaids@google.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, reijiw@google.com, rientjes@google.com, rppt@kernel.org, vbabka@suse.cz, x86@kernel.org, Yosry Ahmed Subject: Re: [PATCH 05/21] x86/mm/pat: mirror direct map changes to ASI Message-ID: <20260121120318.GCaXDAhqoU8Q0PLTX8@fat_crate.local> References: <20250924-b4-asi-page-alloc-v1-0-2d861768041f@google.com> <20250924-b4-asi-page-alloc-v1-5-2d861768041f@google.com> <08338619-6aa1-4905-bdf8-bf1a90857307@intel.com> <19e5012a-3c58-4696-9e4e-39e2b7d2b5af@intel.com> <20260120163728.GDaW-vSLGY1P_E0DqS@fat_crate.local> <20260121112738.GBaXC4KgFQ2J667ea5@fat_crate.local> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-Rspam-User: X-Stat-Signature: 1wzi1qzwickhzgyucpjbztqbajnx6e5e X-Rspamd-Queue-Id: 5A8441C0011 X-Rspamd-Server: rspam05 X-HE-Tag: 1768997042-310186 X-HE-Meta: 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 i3TfPMu5 hhE2RUkmgS041DCLxr7NQ7kX0YMEkOJfW3k3vxls7S1aMh6wxjCEJSFXOSFBqLvTP8CQIP2adxNv3M6Ue63oHNesNU/LxdLnicFx4HqiQ7d75rrIFboaRoGG8oJkkpiJR9i05UCEvHB0KLjPj5AZArbuizjqBbJga0SJgZOKgJSEBR+q138k/NtLGS860ka1bp9sgHe3cdXS/ckiaWTZCB0UQidAxR+SLXzmAK+coQbNpb8M= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, Jan 21, 2026 at 11:49:13AM +0000, Brendan Jackman wrote: > Well, something has to manage those pagetables and that thing needs a > term to describe the stuff it's acting on. I.e. we need an adjective > better than "to-be-mapped-into-the-full-pagtable". > > Anyway, I think this will be an easier debate to have once we're looking > at actual code etc - I'm still debugging my page allocator changes to > support the guest_memfd thing and that code doesn't need to care about > "sensitivity" at all, there's just one address space and data is > "mapped" or "unmapped". So I propose we defer this conversation until > after that... Ok, sounds good. Thx. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette