From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757648AbYBRKBT (ORCPT ); Mon, 18 Feb 2008 05:01:19 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756667AbYBRJ71 (ORCPT ); Mon, 18 Feb 2008 04:59:27 -0500 Received: from viefep18-int.chello.at ([213.46.255.22]:30593 "EHLO viefep17-int.chello.at" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753722AbYBRJ7X (ORCPT ); Mon, 18 Feb 2008 04:59:23 -0500 Message-Id: <20080218095625.340366000@chello.nl> References: <20080218095535.629736000@chello.nl> User-Agent: quilt/0.45-1 Date: Mon, 18 Feb 2008 10:55:40 +0100 From: Peter Zijlstra To: Ingo Molnar , Mike Galbraith , Srivatsa Vaddagiri , dhaval@linux.vnet.ibm.com, tong.n.li@intel.com Cc: linux-kernel@vger.kernel.org, Peter Zijlstra Subject: [PATCH 5/7] sched: remove sysctl_sched_batch_wakeup_granularity Content-Disposition: inline; filename=sched-fair-remove-batch-wakeup.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Its unused,.. toss it! Signed-off-by: Peter Zijlstra --- include/linux/sched.h | 1 - kernel/sched.c | 1 - kernel/sched_debug.c | 1 - kernel/sched_fair.c | 10 ---------- kernel/sysctl.c | 11 ----------- 5 files changed, 24 deletions(-) Index: linux-2.6/include/linux/sched.h =================================================================== --- linux-2.6.orig/include/linux/sched.h +++ linux-2.6/include/linux/sched.h @@ -1526,7 +1526,6 @@ extern void sched_idle_next(void); extern unsigned int sysctl_sched_latency; extern unsigned int sysctl_sched_min_granularity; extern unsigned int sysctl_sched_wakeup_granularity; -extern unsigned int sysctl_sched_batch_wakeup_granularity; extern unsigned int sysctl_sched_child_runs_first; extern unsigned int sysctl_sched_features; extern unsigned int sysctl_sched_migration_cost; Index: linux-2.6/kernel/sched_fair.c =================================================================== --- linux-2.6.orig/kernel/sched_fair.c +++ linux-2.6/kernel/sched_fair.c @@ -62,16 +62,6 @@ const_debug unsigned int sysctl_sched_ch unsigned int __read_mostly sysctl_sched_compat_yield; /* - * SCHED_BATCH wake-up granularity. - * (default: 10 msec * (1 + ilog(ncpus)), units: nanoseconds) - * - * This option delays the preemption effects of decoupled workloads - * and reduces their over-scheduling. Synchronous workloads will still - * have immediate wakeup/sleep latencies. - */ -unsigned int sysctl_sched_batch_wakeup_granularity = 10000000UL; - -/* * SCHED_OTHER wake-up granularity. * (default: 10 msec * (1 + ilog(ncpus)), units: nanoseconds) * Index: linux-2.6/kernel/sysctl.c =================================================================== --- linux-2.6.orig/kernel/sysctl.c +++ linux-2.6/kernel/sysctl.c @@ -270,17 +270,6 @@ static struct ctl_table kern_table[] = { }, { .ctl_name = CTL_UNNUMBERED, - .procname = "sched_batch_wakeup_granularity_ns", - .data = &sysctl_sched_batch_wakeup_granularity, - .maxlen = sizeof(unsigned int), - .mode = 0644, - .proc_handler = &proc_dointvec_minmax, - .strategy = &sysctl_intvec, - .extra1 = &min_wakeup_granularity_ns, - .extra2 = &max_wakeup_granularity_ns, - }, - { - .ctl_name = CTL_UNNUMBERED, .procname = "sched_child_runs_first", .data = &sysctl_sched_child_runs_first, .maxlen = sizeof(unsigned int), Index: linux-2.6/kernel/sched_debug.c =================================================================== --- linux-2.6.orig/kernel/sched_debug.c +++ linux-2.6/kernel/sched_debug.c @@ -214,7 +214,6 @@ static int sched_debug_show(struct seq_f PN(sysctl_sched_latency); PN(sysctl_sched_min_granularity); PN(sysctl_sched_wakeup_granularity); - PN(sysctl_sched_batch_wakeup_granularity); PN(sysctl_sched_child_runs_first); P(sysctl_sched_features); #undef PN Index: linux-2.6/kernel/sched.c =================================================================== --- linux-2.6.orig/kernel/sched.c +++ linux-2.6/kernel/sched.c @@ -5381,7 +5381,6 @@ static inline void sched_init_granularit sysctl_sched_latency = limit; sysctl_sched_wakeup_granularity *= factor; - sysctl_sched_batch_wakeup_granularity *= factor; } #ifdef CONFIG_SMP --