From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-f70.google.com (mail-pg0-f70.google.com [74.125.83.70]) by kanga.kvack.org (Postfix) with ESMTP id B56606B026C for ; Sun, 29 Jan 2017 22:37:55 -0500 (EST) Received: by mail-pg0-f70.google.com with SMTP id 194so440711086pgd.7 for ; Sun, 29 Jan 2017 19:37:55 -0800 (PST) Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com. [148.163.156.1]) by mx.google.com with ESMTPS id l1si11392964pfb.107.2017.01.29.19.37.54 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 29 Jan 2017 19:37:54 -0800 (PST) Received: from pps.filterd (m0098404.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.20/8.16.0.20) with SMTP id v0U3YKlP130302 for ; Sun, 29 Jan 2017 22:37:54 -0500 Received: from e23smtp08.au.ibm.com (e23smtp08.au.ibm.com [202.81.31.141]) by mx0a-001b2d01.pphosted.com with ESMTP id 289ejuxj2j-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Sun, 29 Jan 2017 22:37:54 -0500 Received: from localhost by e23smtp08.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 30 Jan 2017 13:37:51 +1000 Received: from d23relay07.au.ibm.com (d23relay07.au.ibm.com [9.190.26.37]) by d23dlp03.au.ibm.com (Postfix) with ESMTP id E4EA53578057 for ; Mon, 30 Jan 2017 14:37:49 +1100 (EST) Received: from d23av04.au.ibm.com (d23av04.au.ibm.com [9.190.235.139]) by d23relay07.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id v0U3bfTN34603040 for ; Mon, 30 Jan 2017 14:37:49 +1100 Received: from d23av04.au.ibm.com (localhost [127.0.0.1]) by d23av04.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id v0U3bHf5020279 for ; Mon, 30 Jan 2017 14:37:17 +1100 From: Anshuman Khandual Subject: [RFC V2 05/12] cpuset: Add cpuset_inc() inside cpuset_init() Date: Mon, 30 Jan 2017 09:05:46 +0530 In-Reply-To: <20170130033602.12275-1-khandual@linux.vnet.ibm.com> References: <20170130033602.12275-1-khandual@linux.vnet.ibm.com> Message-Id: <20170130033602.12275-6-khandual@linux.vnet.ibm.com> Sender: owner-linux-mm@kvack.org List-ID: 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 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org