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 X-Spam-Level: X-Spam-Status: No, score=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B60B9C1550F for ; Thu, 4 Mar 2021 01:09:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8F3BE64EE8 for ; Thu, 4 Mar 2021 01:09:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1356982AbhCDBFZ (ORCPT ); Wed, 3 Mar 2021 20:05:25 -0500 Received: from mail.kernel.org ([198.145.29.99]:37844 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1452520AbhCDAiy (ORCPT ); Wed, 3 Mar 2021 19:38:54 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 9E12E64EDB; Thu, 4 Mar 2021 00:38:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1614818293; bh=ql7I/2Z5pPWa7gHQF5PnrXkxLr/NyMbE4JCfAneArXY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=t7h4q5wb6EckQ2peZjZpUmpY7OWjT9HEO64q07SFhObkpoBToLMSh1japMBmNglCV mqQSLxBk83pgDkTsUE/3Br9HJlc3zTxv/71K199shD3AmcpS0+KgUdcqO1xIZ3C9Tv Yk6RqJQSmZROJMmBNevSk5E2R2VLCRcoOkgH4TP6TPAaxxEEp8VgY8vJx6NhB3Q8vB Sorq/EEBGjXlaT9mRMYTbPmcs9T/fUXpWQJx59tbW2Metxel0YCGkRuEkJZxg/dtTG ZMcCs7YGWBrDLNOYbik+PMYWn4MFgmujbupXos3VPRa6t/Huh1a1FAAHwTuuvHeTwM sDlgH45YR11+g== From: paulmck@kernel.org To: rcu@vger.kernel.org Cc: linux-kernel@vger.kernel.org, kernel-team@fb.com, mingo@kernel.org, jiangshanlai@gmail.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, josh@joshtriplett.org, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com, fweisbec@gmail.com, oleg@redhat.com, joel@joelfernandes.org, "Paul E. McKenney" Subject: [PATCH tip/core/rcu 02/28] torture: Allow 1G of memory for torture.sh kvfree testing Date: Wed, 3 Mar 2021 16:37:46 -0800 Message-Id: <20210304003812.24833-2-paulmck@kernel.org> X-Mailer: git-send-email 2.9.5 In-Reply-To: <20210304003750.GA24696@paulmck-ThinkPad-P72> References: <20210304003750.GA24696@paulmck-ThinkPad-P72> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "Paul E. McKenney" Yes, I do recall a time when 512MB of memory was a lot of mass storage, much less main memory, but the rcuscale kvfree_rcu() testing invoked by torture.sh can sometimes exceed it on large systems, resulting in OOM. This commit therefore causes torture.sh to pase the "--memory 1G" argument to kvm.sh to reserve a full gigabyte for this purpose. Signed-off-by: Paul E. McKenney --- tools/testing/selftests/rcutorture/bin/torture.sh | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/rcutorture/bin/torture.sh b/tools/testing/selftests/rcutorture/bin/torture.sh index ad7525b..56e2e1a 100755 --- a/tools/testing/selftests/rcutorture/bin/torture.sh +++ b/tools/testing/selftests/rcutorture/bin/torture.sh @@ -374,7 +374,7 @@ done if test "$do_kvfree" = "yes" then torture_bootargs="rcuscale.kfree_rcu_test=1 rcuscale.kfree_nthreads=16 rcuscale.holdoff=20 rcuscale.kfree_loops=10000 torture.disable_onoff_at_boot" - torture_set "rcuscale-kvfree" tools/testing/selftests/rcutorture/bin/kvm.sh --torture rcuscale --allcpus --duration 10 --kconfig "CONFIG_NR_CPUS=$HALF_ALLOTED_CPUS" --trust-make + torture_set "rcuscale-kvfree" tools/testing/selftests/rcutorture/bin/kvm.sh --torture rcuscale --allcpus --duration 10 --kconfig "CONFIG_NR_CPUS=$HALF_ALLOTED_CPUS" --memory 1G --trust-make fi echo " --- " $scriptname $args -- 2.9.5