[Bug 234559] memory reporting inconsistency 12-STABLE vs. 11-STABLE

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=234559

Mark Millard <marklmi26-fbsd at yahoo.com> changed:

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                 CC|                            |marklmi26-fbsd at yahoo.com

--- Comment #2 from Mark Millard <marklmi26-fbsd at yahoo.com> ---
(In reply to Helge Oldach from comment #0)

In top "336M Buf" is not a distinct category but can count some pages that
are Active, others that are Inact, (possibly?) yet others that are Laundry,
and others that are Wired. Various buffer pages can be in various of these
other states. So including "Buf" in a total with the others is double
counting buffer pages.

"Buf       number of bytes used for IO-level disk caching"

(that is independent of the active vs. inactive status and such
for the various pages involved).

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