From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CB4B422DFA4 for ; Tue, 6 Jan 2026 03:40:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767670842; cv=none; b=udySK0u90bKSUZEEIQkt5iaQj6ynkNqMfya+z32dX9aRdoq8SBtGRKi7krIIdZYrtrw5Jby7Dd7+wfr+I4n06lhOO+7RWjyNtnDjnVSTOOIdNK4eCiFza4Qrm6IsS/dBsTj3iUOApKXK2u+/vUK2sGhFNjUPtOg+ChNjbt5QEF0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767670842; c=relaxed/simple; bh=h6/TF6yOImEMkPVariXIbBoNskfvDYp016gqU0bPLko=; h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References: Mime-Version:Content-Type; b=J5jFOFgI/dG5iI9htE/W1HlIBWjgvPK+N4YAamI5OjxQ464hQd0PzJ+Idi1M36vJ238NxMQU7xzm4VX1Q+78bCrIwmBswdfWD6fJbpUuigoZj+9Oe3+TjQv5g2BmSNmjqUr6UlDkZsOW/wSOO+C7scoJtPPdluvLf5gvnMqFuZ0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=t8Z6HaPR; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="t8Z6HaPR" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 66F5AC116D0; Tue, 6 Jan 2026 03:40:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1767670842; bh=h6/TF6yOImEMkPVariXIbBoNskfvDYp016gqU0bPLko=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; 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) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit 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 ;)