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 8531EC433F5 for ; Wed, 4 May 2022 00:12:00 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id D969D6B0071; Tue, 3 May 2022 20:11:59 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id D1E866B0073; Tue, 3 May 2022 20:11:59 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id BE5A66B0074; Tue, 3 May 2022 20:11:59 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id ACD696B0071 for ; Tue, 3 May 2022 20:11:59 -0400 (EDT) Received: from smtpin05.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay13.hostedemail.com (Postfix) with ESMTP id 7F8836031C for ; Wed, 4 May 2022 00:11:58 +0000 (UTC) X-FDA: 79426132716.05.5B8B892 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf28.hostedemail.com (Postfix) with ESMTP id ABD92C0077 for ; Wed, 4 May 2022 00:11:44 +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 dfw.source.kernel.org (Postfix) with ESMTPS id 0E2CF6183C; Wed, 4 May 2022 00:11:57 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A62B4C385A4; Wed, 4 May 2022 00:11:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1651623116; bh=G+aZGUAr0FfQ9F3/qjycZ/CR4Cv6boS+C83q1nKXSqs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Y755J25ivPjrwAchjwtRXCl12Pb8K0fw3kyVxOnTlY6Hdxzz2F0OglpCYZixitNmV guNWSmrZ2F5uNigbRYyIyN6oc76Ff3DD+O3b203M1sNgd3jSr8YnqNsqDt7Ay4KwA3 ycS3Bwk/Ip9sSVfM87PEpEzJULU+VC6CssAWgxBikYhSA9iHnjFdIQuP2LU5itqH2m m5cxVR56lYwOlqtUlZplpI4fJd88Ue/Wvxt/Jt+dSQPWL4MAAcmjtVFaqN9K5jAs0s 2iBtC1+kqUZzwiseH+WqDSaZ3kZFNCqH9YkfeS/EDkABmqzAdJ2b1bJPPZyGggKhB5 Bgb8J9jiZy0dA== From: SeongJae Park To: Yuanchu Xie Cc: Shuah Khan , Markus Boehme , SeongJae Park , rientjes@google.com, Andrew Morton , linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 1/2] selftests/damon: suppress compiler warnings for huge_count_read_write Date: Wed, 4 May 2022 00:11:53 +0000 Message-Id: <20220504001153.119485-1-sj@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220504000358.1174849-1-yuanchu@google.com> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Stat-Signature: rjthcrp8bung5exat1bgy9diby5c8o89 Authentication-Results: imf28.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=Y755J25i; spf=pass (imf28.hostedemail.com: domain of sj@kernel.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=sj@kernel.org; dmarc=pass (policy=none) header.from=kernel.org X-Rspam-User: X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: ABD92C0077 X-HE-Tag: 1651623104-474028 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: Hi Yuanchu, thank you for this patch! On Wed, 4 May 2022 00:03:57 +0000 Yuanchu Xie wrote: > The test case added in commit db7a347b26fe ("mm/damon/dbgfs: > use '__GFP_NOWARN' for user-specified size buffer allocation") > intentionally writes and reads with a large count to cause > allocation failure and check for kernel warnings. We suppress > the compiler warnings for these calls as they work as intended. > > Signed-off-by: Yuanchu Xie Reviewed-by: SeongJae Park Thanks, SJ [...] > --- > tools/testing/selftests/damon/Makefile | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/tools/testing/selftests/damon/Makefile b/tools/testing/selftests/damon/Makefile > index 0470c5f3e690..a300b4c5b373 100644 > --- a/tools/testing/selftests/damon/Makefile > +++ b/tools/testing/selftests/damon/Makefile > @@ -1,6 +1,9 @@ > # SPDX-License-Identifier: GPL-2.0 > # Makefile for damon selftests > > +CFLAGS += -Wno-stringop-overread > +CFLAGS += -Wno-stringop-overflow > + > TEST_GEN_FILES += huge_count_read_write > > TEST_FILES = _chk_dependency.sh _debugfs_common.sh > -- > 2.36.0.464.gb9c8b46e94-goog >