Re: [PATCH v3 1/5] mm: memcg: change flush_next_time to flush_last_time

From: Shakeel Butt
Date: Fri Nov 17 2023 - 13:22:24 EST


On Thu, Nov 16, 2023 at 02:24:06AM +0000, Yosry Ahmed wrote:
> flush_next_time is an inaccurate name. It's not the next time that
> periodic flushing will happen, it's rather the next time that
> ratelimited flushing can happen if the periodic flusher is late.
>
> Simplify its semantics by just storing the timestamp of the last flush
> instead, flush_last_time. Move the 2*FLUSH_TIME addition to
> mem_cgroup_flush_stats_ratelimited(), and add a comment explaining it.
> This way, all the ratelimiting semantics live in one place.
>
> No functional change intended.
>
> Signed-off-by: Yosry Ahmed <yosryahmed@xxxxxxxxxx>
> Tested-by: Domenico Cerasuolo <cerasuolodomenico@xxxxxxxxx>

Acked-by: Shakeel Butt <shakeelb@xxxxxxxxxx>