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Re: kern/54818: 9.0_RC1 pagedaemon spins

The following reply was made to PR kern/54818; it has been noted by GNATS.

From: Havard Eidnes <>
Subject: Re: kern/54818: 9.0_RC1 pagedaemon spins
Date: Mon, 02 Mar 2020 15:34:00 +0100 (CET)

 >  > >
 >  >
 >  > I've manually applied this diff to my 8.1_RC1 src tree, and the
 >  > build succeeded.  Any predictions whether this has any chance of
 >  > improving the situation?
 >  I'd say no. If there is (enough) free memory the pagedaemon should
 >  only be running if there is a kernel VA shortage and the diff doesn'=
 >  influence that.
 Hm, I guess hat jives with Izumi's observations that the loop
 However...  This leaves two questions which IMO needs validation:
 1) Is there "enough" free memory?
 2) Is there a kernel VA shortage?
 Is there any information I can collect to answer one or both of
 these?  Is just "vmstat -s" enough (only answers #1?), or is more
 - H=E5vard

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