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[142.162.112.119]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-4ffa8e35dbfsm129011631cf.19.2026.01.12.15.54.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 12 Jan 2026 15:54:15 -0800 (PST) Received: from jgg by wakko with local (Exim 4.97) (envelope-from ) id 1vfRji-00000003fUm-0uFg; Mon, 12 Jan 2026 19:54:14 -0400 Date: Mon, 12 Jan 2026 19:54:14 -0400 From: Jason Gunthorpe To: Alistair Popple Cc: Matthew Brost , Zi Yan , Matthew Wilcox , Balbir Singh , Francois Dugast , intel-xe@lists.freedesktop.org, dri-devel@lists.freedesktop.org, Madhavan Srinivasan , Nicholas Piggin , Michael Ellerman , "Christophe Leroy (CS GROUP)" , Felix Kuehling , Alex Deucher , Christian =?utf-8?B?S8O2bmln?= , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Lyude Paul , Danilo Krummrich , Bjorn Helgaas , Logan Gunthorpe , David Hildenbrand , Oscar Salvador , Andrew Morton , Leon Romanovsky , Lorenzo Stoakes , "Liam R . Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , linuxppc-dev@lists.ozlabs.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org, nouveau@lists.freedesktop.org, linux-pci@vger.kernel.org, linux-mm@kvack.org, linux-cxl@vger.kernel.org Subject: Re: [PATCH v4 1/7] mm/zone_device: Add order argument to folio_free callback Message-ID: <20260112235414.GO745888@ziepe.ca> References: <20260111205820.830410-1-francois.dugast@intel.com> <20260111205820.830410-2-francois.dugast@intel.com> <874d29da-2008-47e6-9c27-6c00abbf404a@nvidia.com> <0D532F80-6C4D-4800-9473-485B828B55EC@nvidia.com> <20260112134510.GC745888@ziepe.ca> <45A4E73B-F6C2-44B7-8C81-13E24ED12127@nvidia.com> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Tue, Jan 13, 2026 at 10:44:27AM +1100, Alistair Popple wrote: > Also drivers may have different strategies than just resetting everything back > to small pages. For example the may choose to only ever allocate large folios > making the whole clearing/resetting of folio fields superfluous. +1 Jason