From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 61BB1C6FD1D for ; Sat, 18 Mar 2023 00:11:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229716AbjCRALc (ORCPT ); Fri, 17 Mar 2023 20:11:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37948 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229621AbjCRALb (ORCPT ); Fri, 17 Mar 2023 20:11:31 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2FDEBBD4F0; Fri, 17 Mar 2023 17:11:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=qjh02ll/N6tXv37eQ7ysFaXY+FLlkp6Qi3KhauBMak0=; b=HhmS5T3wRT/J2KDrPg5jWlYDiP 3JABPNwZtBwbpf0MVm6NWDSFwqubVEuj+7PMqv+/YFsjb6Kohb2pGVYZ4Ezd6Iqqh2fJUmAuJBBYV 2k4DvLEcbwDRVBa+pbWZZ2r3f6SBg2vBjDSwsLtLyEDwNd+09mVUtv0ruHyQZjFqzVCkiSuCt+VXB 6ZnqqYYg6JVe6nWjbinwu/MA0839IUIPvp7iAgBSYfu9+MiZr6OTtX6KlNbc2VqOxPVHUHY/6wrsk KSCaV5bfY7x2ViXWLSZ+10WCc94JKsnWCB+8wTaZYnd/NsHscCbKNGFhTEIAvXHGONTw0hc3F7OsX DRQJr9iQ==; Received: from mcgrof by bombadil.infradead.org with local (Exim 4.96 #2 (Red Hat Linux)) id 1pdKAT-003kwi-18; Sat, 18 Mar 2023 00:11:29 +0000 Date: Fri, 17 Mar 2023 17:11:29 -0700 From: Luis Chamberlain To: David Hildenbrand Cc: linux-modules@vger.kernel.org, linux-kernel@vger.kernel.org, pmladek@suse.com, petr.pavlu@suse.com, prarit@redhat.com, christophe.leroy@csgroup.eu, song@kernel.org, torvalds@linux-foundation.org Subject: Re: [RFC 00/12] module: avoid userspace pressure on unwanted allocations Message-ID: References: <20230311051712.4095040-1-mcgrof@kernel.org> <3b25ed5c-8fb9-82d3-2296-fadbbb4db7e4@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: Luis Chamberlain Precedence: bulk List-ID: On Thu, Mar 16, 2023 at 04:56:56PM -0700, Luis Chamberlain wrote: > On Thu, Mar 16, 2023 at 04:55:31PM -0700, Luis Chamberlain wrote: > > On Wed, Mar 15, 2023 at 05:41:53PM +0100, David Hildenbrand wrote: > > > I expect to have a machine (with a crazy number of CPUs/devices) available > > > in a couple of days (1-2), so no need to rush. > > > > > > The original machine I was able to reproduce with is blocked for a little > > > bit longer; so I hope the alternative I looked up will similarly trigger the > > > issue easily. > > > > OK give this a spin: > > > > https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git/log/?h=20230316-module-alloc-opts Today I am up to here: https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git/log/?h=20230317-module-alloc-opts The last patch really would have no justification yet at all unless it does help your case. Luis