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Peter Anvin" , Arnd Bergmann , Greg Kroah-Hartman , Dan Williams , Vishal Verma , Dave Jiang , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , Christian Koenig , Huang Rui , Matthew Auld , Matthew Brost , Alexander Viro , Christian Brauner , Jan Kara , Benjamin LaHaise , Gao Xiang , Chao Yu , Yue Hu , Jeffle Xu , Sandeep Dhavale , Hongbo Li , Chunhai Guo , Theodore Ts'o , Andreas Dilger , Muchun Song , Oscar Salvador , David Hildenbrand , Konstantin Komarov , Mike Marshall , Martin Brandenburg , Tony Luck , Reinette Chatre , Dave Martin , James Morse , Babu Moger , Carlos Maiolino , Damien Le Moal , Naohiro Aota , Johannes Thumshirn , Matthew Wilcox , "Liam R . Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Hugh Dickins , Baolin Wang , Zi Yan , Nico Pache , Ryan Roberts , Dev Jain , Barry Song , Lance Yang , Jann Horn , Pedro Falcato , David Howells , Paul Moore , James Morris , "Serge E . Hallyn" , Yury Norov , Rasmus Villemoes , linux-sgx@vger.kernel.org, linux-kernel@vger.kernel.org, nvdimm@lists.linux.dev, linux-cxl@vger.kernel.org, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, linux-fsdevel@vger.kernel.org, linux-aio@kvack.org, linux-erofs@lists.ozlabs.org, linux-ext4@vger.kernel.org, linux-mm@kvack.org, ntfs3@lists.linux.dev, devel@lists.orangefs.org, linux-xfs@vger.kernel.org, keyrings@vger.kernel.org, linux-security-module@vger.kernel.org, Jason Gunthorpe Subject: Re: [PATCH RESEND 00/12] mm: add bitmap VMA flag helpers and convert all mmap_prepare to use them Message-Id: <20260119143143.c7ad8551748eea4ec2b83340@linux-foundation.org> In-Reply-To: References: X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Stat-Signature: x3djnbhgsimmckgw1akj169esbwk44t1 X-Rspam-User: X-Rspamd-Queue-Id: 9B76F40003 X-Rspamd-Server: rspam08 X-HE-Tag: 1768861907-882736 X-HE-Meta: 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 ye32pPo8 5wCn33D7vmz3Dwl158PthzNnOQt+kbFS9xLUB7nOrnDv57DQZ5Khd0iw253qyNrdRirmq/dvVfdf3VQscsQah79VKggL/TVy9yrs2+ZO3VYrwrpa884Di3E6+MGX0uFwTvrwMFS+sTklQy00H8k1nEO6C0JurM+z47T8HjWH+WcvGYayV54ex4qic16hYYkvhTaCPcuxQM83/7PoK/wLK+eVQKumpgeRirfuVkfXCSJyMf9AUZR70KQyrmlW2Xuam/FyjmivB0s47Zwt9YP3q2bTQ0sloyOB2bH80NjS587RBTNjzJMm69JPXHsy9/lupOH3oP3lQgA/FHoX462/kCiR5ZTn3XsF0DTvfOWUMgMS6VFkSCwxm7RsHEWpwv3VHpOkQK+/Hedqf0A0= 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 Mon, 19 Jan 2026 21:19:02 +0000 Lorenzo Stoakes wrote: > We introduced the bitmap VMA type vma_flags_t in the aptly named commit > 9ea35a25d51b ("mm: introduce VMA flags bitmap type") in order to permit > future growth in VMA flags and to prevent the asinine requirement that VMA > flags be available to 64-bit kernels only if they happened to use a bit > number about 32-bits. > > This is a long-term project as there are very many users of VMA flags > within the kernel that need to be updated in order to utilise this new > type. Thanks, I added this to mm.git's mm-new branch for some public exposure. I suppressed the usual email storm.