From: Ingo Molnar Date: Fri, 14 Mar 2008 15:09:59 +0000 (+0100) Subject: sched: remove sysctl_sched_batch_wakeup_granularity X-Git-Tag: v2.6.26-rc1~1132^2~52 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=50df5d6aea6694ca481b8005900401e8c95c2603;p=linux-2.6-omap-h63xx.git sched: remove sysctl_sched_batch_wakeup_granularity it's unused. Signed-off-by: Ingo Molnar --- diff --git a/include/linux/sched.h b/include/linux/sched.h index 6a1e7afb099..15f05ff453d 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1551,7 +1551,6 @@ static inline void wake_up_idle_cpu(int cpu) { } 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; diff --git a/kernel/sched.c b/kernel/sched.c index 770449bee6d..e813e845d9c 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -5396,7 +5396,6 @@ static inline void sched_init_granularity(void) sysctl_sched_latency = limit; sysctl_sched_wakeup_granularity *= factor; - sysctl_sched_batch_wakeup_granularity *= factor; } #ifdef CONFIG_SMP diff --git a/kernel/sched_debug.c b/kernel/sched_debug.c index ef358ba0768..3d09106990c 100644 --- a/kernel/sched_debug.c +++ b/kernel/sched_debug.c @@ -214,7 +214,6 @@ static int sched_debug_show(struct seq_file *m, void *v) 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 diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index b01f8e77f2a..bedda18f37a 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c @@ -61,16 +61,6 @@ const_debug unsigned int sysctl_sched_child_runs_first = 1; */ 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) diff --git a/kernel/sysctl.c b/kernel/sysctl.c index b2a2d6889ba..be332e1a0c2 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -268,17 +268,6 @@ static struct ctl_table kern_table[] = { .extra1 = &min_wakeup_granularity_ns, .extra2 = &max_wakeup_granularity_ns, }, - { - .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",