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Howlett" , Hugh Dickins , Kalesh Singh , akpm@linux-foundation.org, minchan@kernel.org, david@redhat.com, rppt@kernel.org, pfalcato@suse.de, kernel-team@android.com, android-mm@google.com, stable@vger.kernel.org, SeongJae Park , Alexander Viro , Christian Brauner , Jan Kara , Kees Cook , Vlastimil Babka , Suren Baghdasaryan , Michal Hocko , Jann Horn , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , Ingo Molnar , Peter Zijlstra , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Ben Segall , Mel Gorman , Valentin Schneider , 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 v3 1/5] mm: fix off-by-one error in VMA count limit checks Message-ID: References: <20251013235259.589015-1-kaleshsingh@google.com> <20251013235259.589015-2-kaleshsingh@google.com> <144f3ee6-1a5f-57fc-d5f8-5ce54a3ac139@google.com> Content-Type: text/plain; charset=us-ascii 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Howlett wrote: > In either case, it seems like a good idea to adjust the comments to > state that the count may not change. Yes, I am busy trying to catch up with my backlog (do intend to look at this more closely) but wanted to say - let's please document what we're doing here in a comment. It's my firm conviction that we in mm need to eliminate as many instances of 'just have to know' or implicit knowledge that is either undocumented or tricky to find (buried in a commit message from X yrs ago for instance). Cheers, Lorenzo