[Bug 280846] Low memory freezes / OOM: a thread waited too long to allocate a page

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=280846

--- Comment #46 from Mark Millard <marklmi26-fbsd@yahoo.com> ---
(In reply to Mark Johnston from comment #45)

Your plan for the to-main and then MFC to stable/14 in
time for 14.2: Thanks.

"Laundry pages are dirty memory that can only be reclaimed
by saving a copy to some swap space." I think that wording
is more specific than I've noticed elsewhere (limited
reclaim options).

[Process kill/exit releasing memory would likely not be
subject to needing to be saved to swap space.]

So is Inact basically a (potential) mix of clean and dirty
memory that can be reclaimed without saving a copy to some
swap space? (Clean Inact can likely just be freed to be
reclaimed but dirty Inact might be able to be put back in
Active, if that is considered a "reclaim".)

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