Re: [PATCH 2/5] mm/vmscan: Throttle reclaim and compaction when too may pages are isolated

[NeilBrown]

On Mon, 20 Sep 2021, Mel Gorman wrote:
> @@ -2291,8 +2302,7 @@ shrink_inactive_list(unsigned long nr_to_scan, struct lruvec *lruvec,
>  			return 0;
>  
>  		/* wait a bit for the reclaimer. */
> -		msleep(100);
> -		stalled = true;
> +		reclaim_throttle(pgdat, VMSCAN_THROTTLE_ISOLATED, HZ/10);

Why drop the assignment to "stalled"?
Doing that changes the character of the loop - and makes the 'stalled'
variable always 'false'.

NeilBrown