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Fri, 6 Feb 2026 13:06:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770383222; bh=gjqm/xw+EyLKIgvQKuFWku6zxpUiLlZVezFuLgVUV6I=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=pADlDw8M4pf14jpmlIFbIscbYzigwt0Z6gyiUPqPYg4K53sg4tuJNS+Fd8+FfzpvP C4XWlPplSyj14cXa9UOyziF1zOax7eidmDcttDSh0mjeh/D67t8YdTHpquiybuI+/P Q4NABcm2YikcvBj0ZVFXg/MYMud+oq8IN8rNdASMAhRBY4xV+KoolGf9pk+V097FMg EzBd1mN7Vu1V6bMDFMIYJvXLnz1586zJu9OcgL9MTm+6kLK7kQUrdnyfLgd8ZL3Otd XR/MPyTP6VxLKOchVZSl3jixlqmRd+7Uiwdp721hNeoHeewXT7Xoj99I5dJSjBTylf cH5uYZEzgAv6w== Message-ID: <75a6bc37-e597-46f0-adf8-c8ec8e5e0e4e@kernel.org> Date: Fri, 6 Feb 2026 14:06:55 +0100 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 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 00/13] Remove device private pages from physical address space To: Jordan Niethe , linux-mm@kvack.org Cc: balbirs@nvidia.com, matthew.brost@intel.com, akpm@linux-foundation.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, ziy@nvidia.com, apopple@nvidia.com, lorenzo.stoakes@oracle.com, lyude@redhat.com, dakr@kernel.org, airlied@gmail.com, simona@ffwll.ch, rcampbell@nvidia.com, mpenttil@redhat.com, jgg@nvidia.com, willy@infradead.org, linuxppc-dev@lists.ozlabs.org, intel-xe@lists.freedesktop.org, jgg@ziepe.ca, Felix.Kuehling@amd.com, jhubbard@nvidia.com, maddy@linux.ibm.com, mpe@ellerman.id.au References: <20260130111050.53670-1-jniethe@nvidia.com> From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit > The last patch contains the bulk of the work where we change how we > convert between device private pages to device private offsets and then > use a new interface for allocating device private pages without the need > for reserving physical address space. > > By removing the device private pages from the physical address space, > this series also opens up the possibility to moving away from tracking > device private memory using struct pages in the future. This is > desirable as on systems with large amounts of memory these device > private struct pages use a signifiant amount of memory and take a > significant amount of time to initialize. I plan to take a look at some things in here soon; still catching up on my overflowing inbox. -- Cheers, David