From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932724AbcGOKiD (ORCPT ); Fri, 15 Jul 2016 06:38:03 -0400 Received: from mail-wm0-f65.google.com ([74.125.82.65]:33997 "EHLO mail-wm0-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932422AbcGOKh4 (ORCPT ); Fri, 15 Jul 2016 06:37:56 -0400 From: Topi Miettinen To: linux-kernel@vger.kernel.org Cc: Topi Miettinen , Ingo Molnar , Peter Zijlstra Subject: [PATCH 14/14] resource limits: track highwater mark of RT priority Date: Fri, 15 Jul 2016 13:36:01 +0300 Message-Id: <1468578983-28229-15-git-send-email-toiwoton@gmail.com> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1468578983-28229-1-git-send-email-toiwoton@gmail.com> References: <1468578983-28229-1-git-send-email-toiwoton@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Track maximum RT priority, to be able to configure RLIMIT_RTPRIO resource limits. The information is available with taskstats and cgroupstats netlink socket. Signed-off-by: Topi Miettinen --- kernel/sched/core.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index da32bcd..bb08b43 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -4221,6 +4221,9 @@ change: balance_callback(rq); preempt_enable(); + task_update_resource_highwatermark(p, RLIMIT_RTPRIO, + attr->sched_priority); + return 0; } -- 2.8.1