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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8E219C433EF for ; Mon, 9 May 2022 21:06:13 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 08C7D6B0074; Mon, 9 May 2022 17:06:13 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 0145F6B0075; Mon, 9 May 2022 17:06:12 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id DD07D6B0078; Mon, 9 May 2022 17:06:12 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id B24D16B0074 for ; Mon, 9 May 2022 17:06:12 -0400 (EDT) Received: from smtpin16.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id 7CDC9211B9 for ; Mon, 9 May 2022 21:06:12 +0000 (UTC) X-FDA: 79447437384.16.DA2FD54 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by imf18.hostedemail.com (Postfix) with ESMTP id 0EE871C005F for ; Mon, 9 May 2022 21:06:01 +0000 (UTC) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id EF0CBB81903; Mon, 9 May 2022 21:06:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id DC8E1C385BA; Mon, 9 May 2022 21:06:06 +0000 (UTC) Date: Mon, 9 May 2022 17:06:05 -0400 From: Steven Rostedt To: Vasily Averin Cc: kernel test robot , Ingo Molnar , kbuild-all@lists.01.org, Shakeel Butt , kernel@openvz.org, linux-kernel@vger.kernel.org, Roman Gushchin , Vlastimil Babka , Michal Hocko , cgroups@vger.kernel.org, Andrew Morton , Linux Memory Management List , Dennis Zhou , Tejun Heo , Christoph Lameter Subject: Re: [PATCH] percpu: improve percpu_alloc_percpu event trace Message-ID: <20220509170605.2eb7637e@gandalf.local.home> In-Reply-To: References: <8d627f02-183f-c4e7-7c15-77b2b438536b@openvz.org> <202205070420.aAhuqpYk-lkp@intel.com> X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 0EE871C005F X-Stat-Signature: eg85ib5hebrbsyeco1n4g3ewc8fp65e7 Authentication-Results: imf18.hostedemail.com; dkim=none; dmarc=none; spf=pass (imf18.hostedemail.com: domain of "SRS0=bAvH=VR=goodmis.org=rostedt@kernel.org" designates 145.40.68.75 as permitted sender) smtp.mailfrom="SRS0=bAvH=VR=goodmis.org=rostedt@kernel.org" X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1652130361-476857 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Sat, 7 May 2022 17:51:16 +0300 Vasily Averin wrote: > The same messages are generated for any other gfp_t argument in trace events. > As far as I understand it is not a bug per se, > but trace macros lacks __force attribute in 'gfp_t'-> 'unsigned long' casts. > The same thing happens with mode_t and with some other places using __print_flags() > for __bitwise marked types. I'm curious as to where the gfp_t to unsigned long is happening in the macros? -- Steve