Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933266AbcJTLIc (ORCPT ); Thu, 20 Oct 2016 07:08:32 -0400 Received: from terminus.zytor.com ([198.137.202.10]:39442 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757125AbcJTLIa (ORCPT ); Thu, 20 Oct 2016 07:08:30 -0400 Date: Thu, 20 Oct 2016 04:07:44 -0700 From: tip-bot for Matt Fleming Message-ID: Cc: linux-kernel@vger.kernel.org, peterz@infradead.org, hpa@zytor.com, pjt@google.com, umgwanakikbuti@gmail.com, tglx@linutronix.de, torvalds@linux-foundation.org, matt@codeblueprint.co.uk, mingo@kernel.org, dietmar.eggemann@arm.com Reply-To: torvalds@linux-foundation.org, matt@codeblueprint.co.uk, mingo@kernel.org, dietmar.eggemann@arm.com, hpa@zytor.com, linux-kernel@vger.kernel.org, peterz@infradead.org, pjt@google.com, umgwanakikbuti@gmail.com, tglx@linutronix.de In-Reply-To: <20161019141059.26408-1-matt@codeblueprint.co.uk> References: <20161019141059.26408-1-matt@codeblueprint.co.uk> To: linux-tip-commits@vger.kernel.org Subject: [tip:sched/core] sched/fair: Kill the unused 'sched_shares_window_ns' tunable Git-Commit-ID: 3c3fcb45d524feb5d14a14f332e3eec7f2aff8f3 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2817 Lines: 78 Commit-ID: 3c3fcb45d524feb5d14a14f332e3eec7f2aff8f3 Gitweb: http://git.kernel.org/tip/3c3fcb45d524feb5d14a14f332e3eec7f2aff8f3 Author: Matt Fleming AuthorDate: Wed, 19 Oct 2016 15:10:59 +0100 Committer: Ingo Molnar CommitDate: Thu, 20 Oct 2016 08:44:57 +0200 sched/fair: Kill the unused 'sched_shares_window_ns' tunable The last user of this tunable was removed in 2012 in commit: 82958366cfea ("sched: Replace update_shares weight distribution with per-entity computation") Delete it since its very existence confuses people. Signed-off-by: Matt Fleming Cc: Dietmar Eggemann Cc: Linus Torvalds Cc: Mike Galbraith Cc: Paul Turner Cc: Peter Zijlstra Cc: Thomas Gleixner Link: http://lkml.kernel.org/r/20161019141059.26408-1-matt@codeblueprint.co.uk Signed-off-by: Ingo Molnar --- include/linux/sched/sysctl.h | 1 - kernel/sched/fair.c | 7 ------- kernel/sysctl.c | 7 ------- 3 files changed, 15 deletions(-) diff --git a/include/linux/sched/sysctl.h b/include/linux/sched/sysctl.h index 22db1e6..4411453 100644 --- a/include/linux/sched/sysctl.h +++ b/include/linux/sched/sysctl.h @@ -36,7 +36,6 @@ extern unsigned int sysctl_numa_balancing_scan_size; extern unsigned int sysctl_sched_migration_cost; extern unsigned int sysctl_sched_nr_migrate; extern unsigned int sysctl_sched_time_avg; -extern unsigned int sysctl_sched_shares_window; int sched_proc_update_handler(struct ctl_table *table, int write, void __user *buffer, size_t *length, diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index d941c97..79d464a 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -93,13 +93,6 @@ unsigned int normalized_sysctl_sched_wakeup_granularity = 1000000UL; const_debug unsigned int sysctl_sched_migration_cost = 500000UL; -/* - * The exponential sliding window over which load is averaged for shares - * distribution. - * (default: 10msec) - */ -unsigned int __read_mostly sysctl_sched_shares_window = 10000000UL; - #ifdef CONFIG_CFS_BANDWIDTH /* * Amount of runtime to allocate from global (tg) to local (per-cfs_rq) pool diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 706309f..739fb17 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -347,13 +347,6 @@ static struct ctl_table kern_table[] = { .mode = 0644, .proc_handler = proc_dointvec, }, - { - .procname = "sched_shares_window_ns", - .data = &sysctl_sched_shares_window, - .maxlen = sizeof(unsigned int), - .mode = 0644, - .proc_handler = proc_dointvec, - }, #ifdef CONFIG_SCHEDSTATS { .procname = "sched_schedstats",