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Aivazian" , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, ocfs2-devel@lists.linux.dev, linux-nilfs@vger.kernel.org, linux-nfs@vger.kernel.org, jfs-discussion@lists.sourceforge.net, linux-ext4@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH 00/17] replace __get_free_pages() call with kmalloc() Message-ID: References: <20260523-b4-fs-v1-0-275e36a83f0e@kernel.org> <3FD8E1FD-6E18-46D9-AE93-00FA1A66C775@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3FD8E1FD-6E18-46D9-AE93-00FA1A66C775@nvidia.com> X-Rspam-User: X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 352DF100015 X-Stat-Signature: w4ktic4dnksocz779suyk7ykt7y561f5 X-HE-Tag: 1781169009-849946 X-HE-Meta: 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 3L7tf7Im TCnuqpbxf7Mb+uyUtac1rqsTmH14Mmv2NaeX+Hb02FwGurjdJnp9tHUVru2H5eFdVHjiFiCHRuu2qhg/tr0nq1JhY13+WX9o3zTso1FfzFJLkjKdRJf5ucAkSaX/KwF+6pEb+qC2WE9TeHKD7erFN+7hU4uukK/8moHpUyFETlvd7ZGKMmAO0RchCbFqtHcQO/aidV0D+DXJTN1JP3HbJqLqvq0hl1rhroP3rxHzRJYBnANXBec9CMQTDbyNRy2nx2poPC6i+0fptpwLSYRnRSspQnzYUYWnZHb2JhCvStHbUOxYduQB8y7E/CzVO+KiQ1oavknHBV3VLN2imlm9WRgH7TdvNzpi2urj9+nPM/dDuiEWrvc+/9vGv5Oj34BrzYF3SL2Ww8hy2TbOxRDZp8zigQlvzQ3RQqPpxIQ2xz64IiAM= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Fri, Jun 05, 2026 at 04:00:33PM -0400, Zi Yan wrote: > On 23 May 2026, at 13:54, Mike Rapoport (Microsoft) wrote: > > > This is a (small) part of larger work of replacing page allocator calls > > with kmalloc. > > Is the goal to get rid of __get_free_page(s)()? Yes, eventually. My initial intention a few month ago was to remove the ugly casts [1], but then willy pointed out that Linus objected to something like this [2] and it looks like more than a decade old technical debt. Since there are more than 600 or those it will take a while to convert suitable gfp calls to kmalloc. Afterwards we can re-evaluate what APIs we want to provide for allocations that must have actual pages. [1] https://lore.kernel.org/all/20251018093002.3660549-1-rppt@kernel.org/ [2] https://lore.kernel.org/all/CA+55aFwp4iy4rtX2gE2WjBGFL=NxMVnoFeHqYa2j1dYOMMGqxg@mail.gmail.com/ > Thanks. -- Sincerely yours, Mike.