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| author | Ingo Molnar <mingo@elte.hu> | 2008-04-23 09:31:35 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-05-05 23:56:18 +0200 |
| commit | 690229a0912ca2fef8b542fe4d8b73acfcdc6e24 (patch) | |
| tree | 28be1db230f039589650f2b5d46de9e6f5722ef0 | |
| parent | d7dcdc11cfa6a8860a29b09f985467b89224699d (diff) | |
| download | linux-690229a0912ca2fef8b542fe4d8b73acfcdc6e24.tar.gz linux-690229a0912ca2fef8b542fe4d8b73acfcdc6e24.tar.bz2 linux-690229a0912ca2fef8b542fe4d8b73acfcdc6e24.zip | |
sched: make clock sync tunable by architecture code
make time_sync_thresh tunable to architecture code.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | include/linux/sched.h | 2 | ||||
| -rw-r--r-- | kernel/sched.c | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 698b5a4d25a7..54c9ca26b7d8 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -158,6 +158,8 @@ print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq) } #endif +extern unsigned long long time_sync_thresh; + /* * Task state bitmask. NOTE! These bits are also * encoded in fs/proc/array.c: get_task_state(). diff --git a/kernel/sched.c b/kernel/sched.c index 3ac3d7af04a1..8f433fedfcb3 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -899,7 +899,7 @@ static inline u64 global_rt_runtime(void) return (u64)sysctl_sched_rt_runtime * NSEC_PER_USEC; } -static const unsigned long long time_sync_thresh = 100000; +unsigned long long time_sync_thresh = 100000; static DEFINE_PER_CPU(unsigned long long, time_offset); static DEFINE_PER_CPU(unsigned long long, prev_cpu_time); |