From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752110AbdA3Dib (ORCPT ); Sun, 29 Jan 2017 22:38:31 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:57204 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752019AbdA3DiP (ORCPT ); Sun, 29 Jan 2017 22:38:15 -0500 From: Anshuman Khandual To: linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: mhocko@suse.com, vbabka@suse.cz, mgorman@suse.de, minchan@kernel.org, aneesh.kumar@linux.vnet.ibm.com, bsingharora@gmail.com, srikar@linux.vnet.ibm.com, haren@linux.vnet.ibm.com, jglisse@redhat.com, dave.hansen@intel.com, dan.j.williams@intel.com Subject: [RFC V2 05/12] cpuset: Add cpuset_inc() inside cpuset_init() Date: Mon, 30 Jan 2017 09:05:46 +0530 X-Mailer: git-send-email 2.9.3 In-Reply-To: <20170130033602.12275-1-khandual@linux.vnet.ibm.com> References: <20170130033602.12275-1-khandual@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 17013003-0052-0000-0000-0000021104DA X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17013003-0053-0000-0000-000007B0DF1E Message-Id: <20170130033602.12275-6-khandual@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2017-01-30_02:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1612050000 definitions=main-1701300038 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Currently cpusets_enabled() wrongfully returns 0 even if we have a root cpuset configured on the system. This got missed when jump level was introduced in place of number_of_cpusets with the commit 664eeddeef65 ("mm: page_alloc: use jump labels to avoid checking number_of_cpusets") . This fixes the problem so that cpusets_enabled() returns positive even for the root cpuset. Fixes: 664eeddeef65 ("mm: page_alloc: use jump labels to avoid") Signed-off-by: Anshuman Khandual --- kernel/cpuset.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/kernel/cpuset.c b/kernel/cpuset.c index b308888..be75f3f 100644 --- a/kernel/cpuset.c +++ b/kernel/cpuset.c @@ -2133,6 +2133,8 @@ int __init cpuset_init(void) set_bit(CS_SCHED_LOAD_BALANCE, &top_cpuset.flags); top_cpuset.relax_domain_level = -1; + cpuset_inc(); + err = register_filesystem(&cpuset_fs_type); if (err < 0) return err; -- 2.9.3