From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (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 D13223C5827; Mon, 17 Aug 2026 21:01:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.92.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787000507; cv=none; b=kvyUEOmQtVPWCvpCZ7niw3cO4W+Unym3s+9haCeLcO6hdoxu6DwXwNBi1BXS34Mxeo5+xl/P6QWb2+ooclYpUlQY9W8ZnuiWzcK9l+bgkVjgrY/8PNN2AAawRUC+HQJm3iWEf0IfbbSD9LYiXAlagFhtg44Gk28u1cq8829/QRQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787000507; c=relaxed/simple; bh=2cbr6na+ZTM5svrzCCO0SfBXUQGofdWeZxUfG2JpabY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=HWqlSqmlCd0u1jBBcGKAcmIo3MyucwObqYDMgdCVAoK5p1H4KtBTogMjT7FDtxh/lKf3620jsX6LEPLlFUTxGn6MIekci9tqyz/ig4AUudn+Rg7pHsAEYmKcBHHRjmKwLNV9eNnHIWaKct3mcGosWF496hqfMdkNgILeKmj1fnc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=pass smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=A5sD3cWK; arc=none smtp.client-ip=90.155.92.199 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=pass 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="A5sD3cWK" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; 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=H37KXwW7bbeTt69RENbuPKZTQxTdS5bOb1mp2xT1ICs=; b=A5sD3cWKNEfBHrQuj05YweQ6CW RNmsjrgeEmncyNTSKtRVfnVtKKinS/8HqFJ0NJKK9fRFN1lS2GHLpT91zOT3ciZfH7MqlRctdnH2x 6Vnh1pxRNPJliFc7V1bU6ncps79Dh1FUyyqQIBHd86z+UtsD05K6tNpbwV2EvHGR0Zp4djzVHL8QT M2d+HiaTWcEPYO/i81/2lAE2d35kvxKAR908UR1N7QF06+1pC5KLHwWjknj8qBQBKc/4vKyvPEk9y A5GWe1Snl8OXE34lI9EijwO1IOoEFWOL+G9s0CE8Lp7cy4obl8hknLvP4K/YGklnSjUJ//k7YagmY KPfvfE0Q==; Received: from 77-249-17-252.cable.dynamic.v4.ziggo.nl ([77.249.17.252] helo=noisy.programming.kicks-ass.net) by desiato.infradead.org with esmtpsa (Exim 4.99.2 #2 (Red Hat Linux)) id 1ww4S7-000000015EY-1jJD; Mon, 17 Aug 2026 21:01:03 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id 9C9CD3006DD; Mon, 17 Aug 2026 23:01:00 +0200 (CEST) Date: Mon, 17 Aug 2026 23:01:00 +0200 From: Peter Zijlstra To: jim.cromie@gmail.com Cc: Andrew Morton , Pablo Neira Ayuso , Florian Westphal , Phil Sutter , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Eduard Zingerman , Danilo Krummrich , Matthew Brost , Boris Brezillon , Ingo Molnar , Will Deacon , Waiman Long , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Kumar Kartikeya Dwivedi , Martin KaFai Lau , Song Liu , Yonghong Song , Jiri Olsa , Emil Tsalapatis , John Fastabend , Thomas =?iso-8859-1?Q?Hellstr=F6m?= , Alice Ryhl , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Boqun Feng , netfilter-devel@vger.kernel.org, bpf@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, coreteam@netfilter.org, netdev@vger.kernel.org Subject: Re: [PATCH 6/9] locking/lockdep: Fallback to folio_pool in alloc_list_entry when static pool is full Message-ID: <20260817210100.GC687043@noisy.programming.kicks-ass.net> References: <20260817-folio-pool-v1-v1-0-0c1d230aa3af@gmail.com> <20260817-folio-pool-v1-v1-6-0c1d230aa3af@gmail.com> 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: <20260817-folio-pool-v1-v1-6-0c1d230aa3af@gmail.com> On Mon, Aug 17, 2026 at 11:22:20AM -0600, Jim Cromie via B4 Relay wrote: > From: Jim Cromie > > Use struct folio_pool to dynamically expand lock dependency storage when > the static list_entries pool is exhausted, avoiding premature lockdep > disabling. Since that thing has locks itself, no. NAK.