top(1) Laundry memory ?
nomadlogic at gmail.com
Tue Nov 21 17:21:09 UTC 2017
On Tue, Nov 21, 2017 at 12:34 AM, Patrick Lamaiziere
<patfbsd at davenulle.org> wrote:
> In FreeBSD 11, there is something new in top(1) : laundry memory stats.
> Mem: 884M Active, 1330M Inact, 415M Laundry, 5175M Wired, 782M Buf, 84M
> Can someone explain what is this memory please ?
> man top:
> Physical Memory Stats
> number of bytes active
> Inact: number of clean bytes inactive
> number of dirty bytes queued for laundering
this is probably something that should be added to the FreeBSD memory
wiki and/or handbook. My understanding of it comes from this thread:
"The PQ_LAUNDRY branch adds a new page queue, PQ_LAUNDRY, to store dirty
pages that have passed once through the inactive queue."
It also references this diff:
hope this helps!
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