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Merge branch 'sched/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

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* 'sched/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  sched: Improve latencies under load by decreasing minimum scheduling granularity
This commit is contained in:
Linus Torvalds 2010-09-13 14:34:27 -07:00
commit bfa88ea7ee
1 changed files with 3 additions and 3 deletions
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6
kernel/sched_fair.c
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@ -54,13 +54,13 @@ enum sched_tunable_scaling sysctl_sched_tunable_scaling
* Minimal preemption granularity for CPU-bound tasks:
* (default: 2 msec * (1 + ilog(ncpus)), units: nanoseconds)
*/
unsigned int sysctl_sched_min_granularity = 2000000ULL;
unsigned int normalized_sysctl_sched_min_granularity = 2000000ULL;
unsigned int sysctl_sched_min_granularity = 750000ULL;
unsigned int normalized_sysctl_sched_min_granularity = 750000ULL;
/*
* is kept at sysctl_sched_latency / sysctl_sched_min_granularity
*/
static unsigned int sched_nr_latency = 3;
static unsigned int sched_nr_latency = 8;
/*
* After fork, child runs first. If set to 0 (default) then