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From: Muchun Song In-Reply-To: <20260708-bootmem_info_part2-v1-4-156ce4986598@kernel.org> Date: Thu, 9 Jul 2026 14:23:58 +0800 Cc: Dave Hansen , Andy Lutomirski , Peter Zijlstra , Thomas Gleixner , Ingo Molnar , Borislav Petkov , x86@kernel.org, "H. Peter Anvin" , Andrew Morton , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Brendan Jackman , Johannes Weiner , Zi Yan , Alexander Gordeev , Gerald Schaefer , Heiko Carstens , Vasily Gorbik , Christian Borntraeger , Sven Schnelle , Oscar Salvador , linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-s390@vger.kernel.org Content-Transfer-Encoding: 7bit Message-Id: <4E28941E-03DF-403E-BB01-0AA5ACB3B640@linux.dev> References: <20260708-bootmem_info_part2-v1-0-156ce4986598@kernel.org> <20260708-bootmem_info_part2-v1-4-156ce4986598@kernel.org> To: "David Hildenbrand (Arm)" X-Migadu-Flow: FLOW_OUT X-Rspam-User: X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 07814C0002 X-Stat-Signature: 6p97mgr38twgq7oekc781kup91ftaihm X-HE-Tag: 1783578283-573556 X-HE-Meta: U2FsdGVkX1+lcOE+4mfU1nTXEXmy/g6ST/aeiMLmvKNr2Jc/RMpBxqmrCbgmUnfegWZwUhjATKK4kFGiMBgsZIpHaeabv4zNhRrnr5nMyjiufjs8MW4uTQ+ChmTcSYLbp/8yiA9xSWGu1pp0BggNf7L8bNIle+1DK0rqN/ws2PFfk3CejUJUtY/a9hEJjT8gBAwGfXe9HUGIJl/GSrya0jjPtUF436I4fLfRQzDxDJt5zk7gYU6yyU6aQZ92s7tqxmqr7kJSJUmddAV/aV/W2J/yQw9ZKn6T6+zk0Rbxc+IOn1nyGiN+cFIHoz/E5088cGGo7yJBAKym9dyT+vR9XMDd513dIWw+osullLk0HsEeDZClDW1vNe7lvZ6DiiDN526rixMe2/E0aGrkuWAZbvkGEvf4L5TEVBZeeLPw3hjAQl1KpxGW8/pbAPrY99rP5nhc1j6pChAxkEtvzSZqNP2z9kL0xT4Koa2SMMQ2A05w01Wc+zKXCpGU3Hn68sBqYaWJGLbA89rqntFsdyG0tZcGK8ffBx/kKneG2gcEGvAv/BEX8EYgq6PH79DF6EGV3HmR+qh1jVmLAT4606ffycu+qraIocsSbJ/5Eu6a/aFZMVQsbGyzSoUUTLKn4WROD7iJimQTfYPqnaLjd8PznT6sHsko2ElpLNzd9a+MD4bNBQjFdxYox5Pmyezg2eI2FGra0RiaVA6tRFlpJCIokoZj3Q1kjhq3UuAxGQWPtxUpGTjZ3GWz94VsWhqxTHMKmYG5ih2MmZo7fQ2zpqL6Vio4fhUuD4VZDHVQNcg4fD6oV+2CLvHqdKjxX6a+C/0d45w42q74sDNa9zyrfi8HwwwxyfFCeBK/z7IwIPn+nzGgEIyb0TJ7fUUnY7E7ti5LSMhJqk14veZpngaqDZlxggrflefdn+YnPba5njQJ0DdXbq0KeRVmeoiDTdohu/88RcU7dqXhQIIC1Clpycb qtXQijTt rB7ROMNLXRKeX9J0OCWBV4J+6N4y426eghOyrowhvftDg14hpjrL1BrZYy/tug101sNpRdft/jQQI/AJJGxqCK3n7zD566cus7OCWVDi83yFXUHBfZfdb/CWoubrSEHb7mzuE+qXdFuw4CKUtOmCqrWxuegUiyDHC0KvpJ7DMYyT4fMjGd38OwUSz5lm7IcIojFpYQ0VIyIoQYs0Q0wX8gkM3RPr277eNfyCtHr3n0JGn4MmfFqmLOjHBXBCjOjw3nyHzGu9uKffB65hj6RDWV0BITXwoIWtLVGGjZBvCDQcXPSiXVA6TVPgQ0Q== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: > On Jul 8, 2026, at 22:10, David Hildenbrand (Arm) wrote: > > As preparation for further changes, let's temporarily allow freeing > pages that were not previously registered. > > This will allow freeing unregistered vmemmap pages allocated during boot > through free_bootmem_page() from hugetlb code, until we fully rip all > of that out. > > Signed-off-by: David Hildenbrand (Arm) Reviewed-by: Muchun Song Thanks.