Re: [PATCH 2/4] sched/fair: Drop out incomplete current period when sched averages accrue

[Dietmar Eggemann]

On 10/04/16 23:36, Yuyang Du wrote:

[...]

> @@ -2704,11 +2694,14 @@ static __always_inline int
>  __update_load_avg(u64 now, int cpu, struct sched_avg *sa,
>  		  unsigned long weight, int running, struct cfs_rq *cfs_rq)
>  {
> -	u64 delta, scaled_delta, periods;
> -	u32 contrib;
> -	unsigned int delta_w, scaled_delta_w, decayed = 0;
> +	u64 delta;
> +	u32 contrib, periods;
>  	unsigned long scale_freq, scale_cpu;
>  
> +	/*
> +	 * now rolls down to a period boundary
> +	 */
> +	now = now && (u64)(~0xFFFFF);

This forces now to be 1.

s/&&/&