sched: fix calc_delta_mine()

27d11726 · Ingo Molnar <[email protected]> · 2008-03-14 22:20:01 +01:00

lw->weight can be 0 for a short time during bootup.

Signed-off-by: Ingo Molnar <[email protected]>
Signed-off-by: Peter Zijlstra <[email protected]>

Changes

1 files changed · +1 −1

File	Status	Add	Del	Content
kernel/sched.c	modified	+1	−1	View file

diff --git a/kernel/sched.c b/kernel/sched.c
index 3a4ba3d..6b06f23 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -1084,7 +1084,7 @@ calc_delta_mine(unsigned long delta_exec, unsigned long weight,
 	u64 tmp;
 
 	if (unlikely(!lw->inv_weight))
-		lw->inv_weight = (WMULT_CONST - lw->weight/2) / lw->weight + 1;
+		lw->inv_weight = (WMULT_CONST-lw->weight/2) / (lw->weight+1);
 
 	tmp = (u64)delta_exec * weight;
 	/*