linux-kernel - Re: [PATCH v2 0/2] mm/damon: Fix fake /proc/loadavg reports

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Message-ID: <23071693.Kees4NU7H7@natalenko.name>
Date:   Fri, 26 Nov 2021 15:37:12 +0100
From:   Oleksandr Natalenko <oleksandr@...alenko.name>
To:     akpm@...ux-foundation.org, SeongJae Park <sj@...nel.org>
Cc:     john.stultz@...aro.org, tglx@...utronix.de, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, SeongJae Park <sj@...nel.org>
Subject: Re: [PATCH v2 0/2] mm/damon: Fix fake /proc/loadavg reports

Hello.

On čtvrtek 25. listopadu 2021 17:08:28 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 v1
> 
> (https://lore.kernel.org/linux-mm/20211124145219.32866-1-sj@kernel.org/)
> - 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(-)

I'd appreciate if you Cc me as a reporter since I'm going to test this.

Thanks.

-- 
Oleksandr Natalenko (post-factum)