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Received: from willy by casper.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1vcx8Y-0000000BDNG-1Tsg; Tue, 06 Jan 2026 02:49:34 +0000 Date: Tue, 6 Jan 2026 02:49:34 +0000 From: Matthew Wilcox To: Andrew Morton 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: References: <20260103103247.9140cb2556280927b09f59d3@linux-foundation.org> <20260103200633.246006-1-boudewijn@delta-utec.com> <20260105173350.d8ad7d630be1f0a581dfd565@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260105173350.d8ad7d630be1f0a581dfd565@linux-foundation.org> X-Rspamd-Server: rspam02 X-Stat-Signature: z4iqp48w89teknyhp1afzgz49nfhaaxx X-Rspam-User: X-Rspamd-Queue-Id: D8BAA100002 X-HE-Tag: 1767667779-151571 X-HE-Meta: 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 snEjc6Eq Ry2RNezilfFhN05HLvo6cIihjcemAAWEUeIUa9imCr0sMridK6UeUY2DD7vfCSeIzLO4RYYw1B8A86JEGRK/hNCfMKfbwKaDljjkUvw/WyJaD40LhISMqyNyapyl248xtQkfwBP6qyj8QOXRVqVCEoHgNjjH/zxne59P98fnf/4bGSAfKWEcARmcGAQKHd0aDVjZ7PZ0w48UhVtj+IpoYJSuSgjVfndkw1RhUGBXSP9Sl8jDtTCS1s5DYMbmKfrhMgXFro//KzZbbmFhk4Sa4JDnT58jIH11lUiiQHGjskelvCHs= 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, 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?