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sched: remove sysctl_sched_batch_wakeup_granularity

Browse source 
it's unused.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Ingo Molnar 2008-03-14 16:09:59 +01:00
parent 02e2b83bd2
commit 50df5d6aea
5 changed files with 0 additions and 24 deletions
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1
include/linux/sched.h
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@ -1551,7 +1551,6 @@ static inline void wake_up_idle_cpu(int cpu) { }
extern unsigned int sysctl_sched_latency; extern unsigned int sysctl_sched_latency;
extern unsigned int sysctl_sched_min_granularity; extern unsigned int sysctl_sched_min_granularity;
extern unsigned int sysctl_sched_wakeup_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_child_runs_first;
extern unsigned int sysctl_sched_features; extern unsigned int sysctl_sched_features;
extern unsigned int sysctl_sched_migration_cost; extern unsigned int sysctl_sched_migration_cost;

1
kernel/sched.c
View file

@ -5396,7 +5396,6 @@ static inline void sched_init_granularity(void)
sysctl_sched_latency = limit; sysctl_sched_latency = limit;
sysctl_sched_wakeup_granularity *= factor; sysctl_sched_wakeup_granularity *= factor;
sysctl_sched_batch_wakeup_granularity *= factor;
} }
#ifdef CONFIG_SMP #ifdef CONFIG_SMP

1
kernel/sched_debug.c
View file

@ -214,7 +214,6 @@ static int sched_debug_show(struct seq_file *m, void *v)
PN(sysctl_sched_latency); PN(sysctl_sched_latency);
PN(sysctl_sched_min_granularity); PN(sysctl_sched_min_granularity);
PN(sysctl_sched_wakeup_granularity); PN(sysctl_sched_wakeup_granularity);
PN(sysctl_sched_batch_wakeup_granularity);
PN(sysctl_sched_child_runs_first); PN(sysctl_sched_child_runs_first);
P(sysctl_sched_features); P(sysctl_sched_features);
#undef PN #undef PN

10
kernel/sched_fair.c
View file

@ -61,16 +61,6 @@ const_debug unsigned int sysctl_sched_child_runs_first = 1;
*/ */
unsigned int __read_mostly sysctl_sched_compat_yield; 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. * SCHED_OTHER wake-up granularity.
* (default: 10 msec * (1 + ilog(ncpus)), units: nanoseconds) * (default: 10 msec * (1 + ilog(ncpus)), units: nanoseconds)

11
kernel/sysctl.c
View file

@ -268,17 +268,6 @@ static struct ctl_table kern_table[] = {
.extra1 = &min_wakeup_granularity_ns, .extra1 = &min_wakeup_granularity_ns,
.extra2 = &max_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, .ctl_name = CTL_UNNUMBERED,
.procname = "sched_child_runs_first", .procname = "sched_child_runs_first",