From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 A642647C116; Mon, 21 Sep 2026 23:26:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790033211; cv=none; b=gj85sI+es65EDj+B5MlUtTYXEW+BIoKRMKnc7VxhRYc8mMIPt8oAnseEoLyBNkUxycqb87ZYpqyX1n3jm2WvwbMVYNpRQU/5yiElPihmOiaKg6Az6ZuhQgdYV0PXAxcy65lhdaSbaZAJfaNOoAd+H5nBNnoLC6CcgUmP3yNw4qA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790033211; c=relaxed/simple; bh=L/D1VBpSzR1XeQJNrXqUys+cTWArQNCxiy9cWg8e9YQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=iAn6yOo9fC9vrDWYVMHgcdH6hFgGrvbSuqUfKUmZ8F9X5hO+YOW7uVxhigBpnmT7RGBooXO0rMU6vqRVcsejczTAbliz4hO0E/heG1pg3Hm9V4v4hLofCWYq4VgOGhpazghvgwkpW4go07zx7szXDTrEwdTPnVS8carqCPNALWU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=JsfpG4wq; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="JsfpG4wq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6BF721F000FF; Mon, 21 Sep 2026 23:26:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790033200; bh=hM5mTuDQ4dfNK5Z8XPoMxZFJdoiMu0qCdKMcLrxKa3Y=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=JsfpG4wqpOafQFBopqW3RNxUYW2gAwzPzWoeHVqBzw8tKKe1B0s4t63iQSWnV8EQ1 rSGPeW4M7vzIvlk+heYi85lhmuPaRw4CEYvxRFoMudbkW//0iO+tB/IICwZJPAYJR+ jf6H2CYP/ekh2L58Vi5xfINtZos2WrvrwYrJSBmFAMg8V9w/mUIXUsP6Dxb5kHLenH ZH5/C25uUC4b793UVhAx4RRACAJzZdJaQQE08kzGuwQ5EgOcWrsH9yKQSPLFppbHHZ dnO93SqbtdBPl863CAVJvqPS9wsaTfT7c/g0CxDGpB7QRrgYkcgDEiEi60mZ/7mBtZ S8Oeg4uEOfhaw== Date: Mon, 21 Sep 2026 16:26:40 -0700 From: Kees Cook To: Harry Yoo Cc: Vlastimil Babka , Andrew Morton , Hao Li , Christoph Lameter , David Rientjes , Roman Gushchin , linux-mm@kvack.org, Pedro Falcato , Kuniyuki Iwashima , linux-hardening@vger.kernel.org, Jakub Kicinski , "David S. Miller" , Eric Dumazet , Paolo Abeni , Simon Horman , Jason Xing , =?iso-8859-1?Q?Bj=F6rn_T=F6pel?= , Jiayuan Chen , Willem de Bruijn , linux-kernel@vger.kernel.org, netdev@vger.kernel.org Subject: Re: [PATCH v4 6/7] mm/slab: Let a bucket set handle __GFP_ACCOUNT Message-ID: <202609211625.B1F704163@keescook> References: <20260921075811.too.775-kees@kernel.org> <20260921075820.1718334-6-kees@kernel.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: On Mon, Sep 21, 2026 at 02:25:57PM +0100, Harry Yoo wrote: > On Mon, Sep 21, 2026 at 12:58:17AM -0700, Kees Cook wrote: > Didn't take a deeper look at this yet but this is causing an error: > > MODPOST Module.symvers > ERROR: modpost: lib/tests/slub_kunit.ko: symbol 'mem_cgroup_kmem_disabled' undefined! Argh, modular build. Of all the things I tested, I didn't actually test kunit modular build. :P It's so easy to use kunit.py that I forget it's doing a monolithic build under the hood. :P I'll get that fixed. -- Kees Cook