Re: [PATCH v3 1/2] timers: Implement usleep_idle_range()

[Thomas Gleixner]

On Fri, Nov 26 2021 at 14:50, SeongJae Park wrote:
> Some kernel threads such as DAMON could need to repeatedly sleep in
> micro seconds level.  Because usleep_range() sleeps in uninterruptible
> state, however, such threads would make /proc/loadavg reports fake load.
>
> To help such cases, this commit implements a variant of usleep_range()
> called usleep_idle_range().  It is same to usleep_range() but sets the
> state of the current task as TASK_IDLE while sleeping.
>
> Suggested-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: SeongJae Park <sj@xxxxxxxxxx>

Andrew, I assume you want to pick that up along with the mm fix, right?

Reviewed-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>