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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 BF71FC56202 for ; Thu, 26 Nov 2020 05:35:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7750B21D91 for ; Thu, 26 Nov 2020 05:35:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387811AbgKZFev (ORCPT ); Thu, 26 Nov 2020 00:34:51 -0500 Received: from mga05.intel.com ([192.55.52.43]:10495 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387800AbgKZFev (ORCPT ); Thu, 26 Nov 2020 00:34:51 -0500 IronPort-SDR: REP/h1Ayt//S1l3ew2lXpYIe4t0ZDSZZeVZdSkgPo6S0npPhR2ogig4Lz91NX4ej+JIBXJQoJg 0UCLhB3uuc+Q== X-IronPort-AV: E=McAfee;i="6000,8403,9816"; a="256948937" X-IronPort-AV: E=Sophos;i="5.78,371,1599548400"; d="scan'208";a="256948937" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Nov 2020 21:34:50 -0800 IronPort-SDR: S4GfgKYmKo2+aFMxzmePsg7rw8zPyM7vvNsKBWuPFBPPwXbzvuVQJrmMRc8UKXI5LQKLwmMWBm 582PwK3W9wEw== X-IronPort-AV: E=Sophos;i="5.78,371,1599548400"; d="scan'208";a="537180103" Received: from yhuang-mobile.sh.intel.com ([10.238.5.184]) by fmsmga005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Nov 2020 21:34:47 -0800 From: Huang Ying To: Peter Zijlstra Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, "Matthew Wilcox (Oracle)" , Rafael Aquini , Andrew Morton , Ingo Molnar , Mel Gorman , Rik van Riel , Johannes Weiner , Dave Hansen , Andi Kleen , Michal Hocko , David Rientjes , linux-api@vger.kernel.org, "Huang, Ying" Subject: [PATCH -v6 2/3] NOT kernel/man-pages man2/set_mempolicy.2: Add mode flag MPOL_F_NUMA_BALANCING Date: Thu, 26 Nov 2020 13:32:18 +0800 Message-Id: <20201126053219.234793-3-ying.huang@intel.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201126053219.234793-1-ying.huang@intel.com> References: <20201126053219.234793-1-ying.huang@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Huang Ying Signed-off-by: "Huang, Ying" --- man2/set_mempolicy.2 | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/man2/set_mempolicy.2 b/man2/set_mempolicy.2 index 68011eecb..fb16bb351 100644 --- a/man2/set_mempolicy.2 +++ b/man2/set_mempolicy.2 @@ -113,6 +113,11 @@ A nonempty .I nodemask specifies node IDs that are relative to the set of node IDs allowed by the process's current cpuset. +.TP +.BR MPOL_F_NUMA_BALANCING " (since Linux 5.11)" +Enable the Linux kernel NUMA balancing for the task if it is supported +by kernel. If the flag isn't supported by Linux kernel, return -1 and +errno is set to EINVAL. .PP .I nodemask points to a bit mask of node IDs that contains up to @@ -293,6 +298,9 @@ argument specified both .B MPOL_F_STATIC_NODES and .BR MPOL_F_RELATIVE_NODES . +Or, the +.B MPOL_F_NUMA_BALANCING +isn't supported by the Linux kernel. .TP .B ENOMEM Insufficient kernel memory was available. -- 2.29.2