sched: Export account_system_vtime()
KVM uses it for example:
ERROR: "account_system_vtime" [arch/x86/kvm/kvm.ko] undefined!
Cc: Venkatesh Pallipadi <venki@google.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <1286237003-12406-3-git-send-email-venki@google.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/kernel/sched.c b/kernel/sched.c
index 567f5cb..5998222 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -1991,6 +1991,7 @@
local_irq_restore(flags);
}
+EXPORT_SYMBOL_GPL(account_system_vtime);
static void sched_irq_time_avg_update(struct rq *rq, u64 curr_irq_time)
{