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b=t8Z6HaPR0xlnWINY74qevICb/aJ/z0dc5MJ/dyQybfuqxP2HXaarz+T0AJxvcqoF8 7geMtSX1iGUbTzWtK+652KJ/Xdb42jz2j3JSdePmLU4iJtIVnCSmGe92WsLKBtqT3E hxkWeEhvmywcA/UEWgHC1p6TAGPr9ZwmrOciDrtg= Date: Mon, 5 Jan 2026 19:40:41 -0800 From: Andrew Morton To: Matthew Wilcox Cc: Boudewijn van der Heide , Liam.Howlett@oracle.com, aliceryhl@google.com, andrewjballance@gmail.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, maple-tree@lists.infradead.org Subject: Re: [PATCH] maple_tree: Add dead node check in mas_dup_alloc() Message-Id: <20260105194041.0f3357f493145baba2525cda@linux-foundation.org> In-Reply-To: References: <20260103103247.9140cb2556280927b09f59d3@linux-foundation.org> <20260103200633.246006-1-boudewijn@delta-utec.com> <20260105173350.d8ad7d630be1f0a581dfd565@linux-foundation.org> 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-Rspamd-Queue-Id: F184D180005 X-Stat-Signature: ki6xngtjednb3b61b54ibbck9auti8x4 X-Rspam-User: X-Rspamd-Server: rspam06 X-HE-Tag: 1767670843-712798 X-HE-Meta: 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 h6g== 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 Tue, 6 Jan 2026 02:49:34 +0000 Matthew Wilcox wrote: > On Mon, Jan 05, 2026 at 05:33:50PM -0800, Andrew Morton wrote: > > Great, thanks, I added all that to the changelog and queued this in > > mm.git as a hotfix, for runtime testing and pending reviewer input. > > Surely this should just be a lockdep assertion that the appropriate > locks are held? yup ;)