Commit-ID: 3c3fcb45d524feb5d14a14f332e3eec7f2aff8f3
Gitweb: http://git.kernel.org/tip/3c3fcb45d524feb5d14a14f332e3eec7f2aff8f3
Author: Matt Fleming <m...@codeblueprint.co.uk>
AuthorDate: Wed, 19 Oct 2016 15:10:59 +0100
Committer: Ingo Molnar <mi...@kernel.org>
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 <m...@codeblueprint.co.uk>
Cc: Dietmar Eggemann <dietmar.eggem...@arm.com>
Cc: Linus Torvalds <torva...@linux-foundation.org>
Cc: Mike Galbraith <umgwanakikb...@gmail.com>
Cc: Paul Turner <p...@google.com>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Thomas Gleixner <t...@linutronix.de>
Link: http://lkml.kernel.org/r/20161019141059.26408-1-m...@codeblueprint.co.uk
Signed-off-by: Ingo Molnar <mi...@kernel.org>
---
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",
