I'd like to explain a bit further.
At Thu, 04 Aug 2022 16:55:35 +0900 (JST), Kyotaro Horiguchi <horikyota.ntt@gmail.com> wrote in
> > BRIN_EVACUATE_PAGE is an unlogged bit, which is never set during
> > recovery. See brin_start_evacuating_page() for details.
That being said, I think that some bug could unexpectedly set the flag
during recovery. I sought for clean way to check that only while not
in evacuation, but I found none..
regards.
--
Kyotaro Horiguchi
NTT Open Source Software Center