Re: [PATCH v3 0/2] mm/damon: Fix fake /proc/loadavg reports

From: Oleksandr Natalenko
Date: Sat Nov 27 2021 - 08:12:55 EST


Hello.

On pátek 26. listopadu 2021 15:50:13 CET SeongJae Park wrote:
> This patchset fixes DAMON's fake load report issue. The first patch
> makes yet another variant of usleep_range() for this fix, and the second
> patch fixes the issue of DAMON by making it using the newly introduced
> function.
>
> I think these need to be applied on v5.15.y, but the second patch cannot
> cleanly applied there as is. I will back-port this on v5.15.y and post
> later once this is merged in the mainline. If you think this is not
> appropriate for stable tree, please let me know.
>
> Changelog
> ---------
>
> From v2
> (https://lore.kernel.org/linux-mm/20211125160830.30153-1-sj@xxxxxxxxxx/)
> - Cc Oleksandr (Oleksandr Natalenko)
> - Add 'Suggested-by:' for Andrew Morton on the first patch
>
> From v1
> (https://lore.kernel.org/linux-mm/20211124145219.32866-1-sj@xxxxxxxxxx/)
> - Avoid copy-and-pasting usleep_delay() in DAMON code (Andrew Morton)
>
> SeongJae Park (2):
> timers: Implement usleep_idle_range()
> mm/damon/core: Fix fake load reports due to uninterruptible sleeps
>
> include/linux/delay.h | 14 +++++++++++++-
> kernel/time/timer.c | 16 +++++++++-------
> mm/damon/core.c | 6 +++---
> 3 files changed, 25 insertions(+), 11 deletions(-)

For the series:

Tested-by: Oleksandr Natalenko <oleksandr@xxxxxxxxxxxxxx>

Thank you.

--
Oleksandr Natalenko (post-factum)