Re: [PATCH linux-next] delayacct: track delays from memory compact

[Andrew Morton]

On Fri,  3 Dec 2021 06:37:52 -0800 yongw.pur@xxxxxxxxx wrote:

> From: wangyong <wang.yong12@xxxxxxxxxx>
> 
> Delay accounting does not track the delay of memory compact.
> When there is not enough free memory, tasks can spend
> a amount of their time waiting for memory compact.
> 
> To get the impact of tasks in direct memory compact, measure
> the delay when allocating memory through memory compact.
> 
> ...
>
> --- a/include/linux/delayacct.h
> +++ b/include/linux/delayacct.h
> @@ -42,8 +42,13 @@ struct task_delay_info {
>  	u64 thrashing_start;
>  	u64 thrashing_delay;	/* wait for thrashing page */
>  
> +	u64 compact_start;
> +	u64 compact_delay;	/* wait for memory compact */
> +
> +	u64 freepages_start;

task_delay_info already has a freepages_start, so it fails to compile.

Did you send the correct version?