From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (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 D54C021A95D for ; Tue, 6 Jan 2026 02:49:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.50.34 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767667785; cv=none; b=ZQfv5mgaeKUi2RKCT+/ye4k48Pxp17v8HMTGfKuASQjb56vrFyYVOEIAF8FVZ4EKxvYOO7fQPF1hUA3gG4ezrT16rupPk++JJzstBvzRglcvFNVsAHVm/eESKVCW5IEHIy7QPPcezh2flKWwjtVUGpwnDVnakP0nEttwHqZ93Hw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767667785; c=relaxed/simple; bh=K7S7R4M4sfj4F+O8uKJV1jH+M2uc19cr+SROpwV2PzI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=XbQbuGartZP9wE1ruSfz/RWU76RFS3Vvis2HO7eDFI2eZX41bROV6yghsPmRy+97JwysM5ZDXXrgfkdruC2nn3ndvyxKwyRtjIJnOZDrjYeqhJxjyrvRtid3jZiplozmubXPsbdW7GK/8cAIa5XeE3FnJD2/iFum53XV0V5wic8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=DrtzPLOi; arc=none smtp.client-ip=90.155.50.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="DrtzPLOi" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=K7S7R4M4sfj4F+O8uKJV1jH+M2uc19cr+SROpwV2PzI=; b=DrtzPLOi5MYOk5yqk+Xemsrv2A YmbS9EY894YFnGOdfW23ephl8stj8SkltMC6jSTKPfxJct+On+e94n+dgZmkqHTEOPWm11XEbyQu2 gBJ8ZJmmjWQBtdJsKys0lCttjyq1bEWokfHo5jBcyS9V831RunadteBnjI7+cKFPdad8+6e7Ah9GJ 9Ch9/n7tFKPJvoH4DpZ/s6t88f5bFf3RGqX+6uQ89jIqOCc5ONEWE7CIB0c02ZU7mH0SATgIRcndJ Tb/aSNCHecSSgo9MP+OzVhKNA9yqq2isAOf9891HaGyWncQFonV+yiiuqpMNWOb3JWl8SkEk97HPj GjPH7hJg==; 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> 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-Disposition: inline In-Reply-To: <20260105173350.d8ad7d630be1f0a581dfd565@linux-foundation.org> 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?