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Thu, 18 Sep 2025 11:46:44 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id QCCwKyTxy2huCgAAD6G6ig (envelope-from ); Thu, 18 Sep 2025 11:46:44 +0000 Date: Thu, 18 Sep 2025 12:46:34 +0100 From: Pedro Falcato To: Kalesh Singh Cc: akpm@linux-foundation.org, minchan@kernel.org, lorenzo.stoakes@oracle.com, david@redhat.com, Liam.Howlett@oracle.com, rppt@kernel.org, kernel-team@android.com, android-mm@google.com, Alexander Viro , Christian Brauner , Jan Kara , Kees Cook , Vlastimil Babka , Suren Baghdasaryan , Michal Hocko , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Ben Segall , Mel Gorman , Valentin Schneider , Jann Horn , Shuah Khan , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-trace-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH v2 4/7] mm: rename mm_struct::map_count to vma_count Message-ID: <2t6asetuopq2wtj7cki6qf24i5j5slhi3palturmf62db2qddg@zfdbh6nivya5> References: <20250915163838.631445-1-kaleshsingh@google.com> <20250915163838.631445-5-kaleshsingh@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250915163838.631445-5-kaleshsingh@google.com> X-Rspamd-Action: no action X-Stat-Signature: gsfggqx3zc63ekis81bbrkcyqemycg6y X-Rspam-User: X-Rspamd-Queue-Id: BE14E40005 X-Rspamd-Server: rspam10 X-HE-Tag: 1758196008-286923 X-HE-Meta: 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 EOHKnE1r 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 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, Sep 15, 2025 at 09:36:35AM -0700, Kalesh Singh wrote: > A mechanical rename of the mm_struct->map_count field to > vma_count; no functional change is intended. > > The name "map_count" is ambiguous within the memory management subsystem, > as it can be confused with the folio/page->_mapcount field, which tracks > PTE references. > > The new name, vma_count, is more precise as this field has always > counted the number of vm_area_structs associated with an mm_struct. > > Cc: Andrew Morton > Cc: David Hildenbrand > Cc: "Liam R. Howlett" > Cc: Lorenzo Stoakes > Cc: Mike Rapoport > Cc: Minchan Kim > Cc: Pedro Falcato > Signed-off-by: Kalesh Singh Reviewed-by: Pedro Falcato -- Pedro