sched: fix calc_delta_mine()



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

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>

parent e89996ae

kernel/sched.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;
		/*