[PATCH] 2.6.25.4-rt6: missing global_rt_runtime() in sched.c

[ciaby <ciaby@autistici.org>]

I already sent this patch, but seems that nobody cared... the last 2
revisions of the -rt kernel don't compile properly.
Second patch to fix this.
Regards

Giovanni "ciaby" Civardi

diff -uNr linux-2.6.25.4-rt6.orig/kernel/sched.c
linux-2.6.25.4-rt6/kernel/sched.c
--- linux-2.6.25.4-rt6.orig/kernel/sched.c      2008-06-09
11:35:57.000000000 +0200
+++ linux-2.6.25.4-rt6/kernel/sched.c   2008-06-09 11:40:45.000000000 +0200
@@ -672,6 +672,13 @@
  */
 #define RUNTIME_INF    ((u64)~0ULL)
 
+static u64 global_rt_runtime(void)
+{
+       if (sysctl_sched_rt_period < 0)
+               return RUNTIME_INF;
+       return (u64)sysctl_sched_rt_runtime * NSEC_PER_USEC;
+}              
+
 /*
  * We really dont want to do anything complex within switch_to()
  * on PREEMPT_RT - this check enforces this.