179 		WRITE_ONCE(q->params.alpha, nla_get_u32(tb[TCA_PIE_ALPHA]));  in pie_change()
309 	u64 alpha, beta;  in pie_calculate_probability()  local
332 	/* In the algorithm, alpha and beta are between 0 and 2 with typical  in pie_calculate_probability()
333 	 * value for alpha as 0.125. In this implementation, we use values 0-32  in pie_calculate_probability()
334 	 * passed from user space to represent this. Also, alpha and beta have  in pie_calculate_probability()
336 	 * probability. alpha/beta are updated locally below by scaling down  in pie_calculate_probability()
339 	alpha = ((u64)params->alpha * (MAX_PROB / PSCHED_TICKS_PER_SEC)) >> 4;  in pie_calculate_probability()
342 	/* We scale alpha and beta differently depending on how heavy the  in pie_calculate_probability()
346 		alpha >>= 1;  in pie_calculate_probability()
352 			alpha >>= 2;  in pie_calculate_probability()
358 	/* alpha and beta should be between 0 and 32, in multiples of 1/16 */  in pie_calculate_probability()
359 	delta += alpha * (qdelay - params->target);  in pie_calculate_probability()
482 	    nla_put_u32(skb, TCA_PIE_ALPHA, READ_ONCE(q->params.alpha)) ||  in pie_dump()