commit 690229a0912ca2fef8b542fe4d8b73acfcdc6e24
author Ingo Molnar <mingo@elte.hu> Wed Apr 23 09:31:35 2008 +0200
committer Ingo Molnar <mingo@elte.hu> Mon May 05 23:56:18 2008 +0200
tree 28be1db230f039589650f2b5d46de9e6f5722ef0
parent d7dcdc11cfa6a8860a29b09f985467b89224699d

sched: make clock sync tunable by architecture code

make time_sync_thresh tunable to architecture code.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

include/linux/sched.h

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 698b5a4..54c9ca2 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -158,6 +158,8 @@
 }
 #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().

kernel/sched.c

diff --git a/kernel/sched.c b/kernel/sched.c
index 3ac3d7a..8f433fe 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -899,7 +899,7 @@
 	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);