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Subject: Re: [PATCH] Convert the VFS cache lock to an rmlock
From: Adrian Chadd <adrian@freebsd.org>
To: Mateusz Guzik <mjguzik@gmail.com>, John Baldwin <jhb@freebsd.org>, 
 freebsd-current <freebsd-current@freebsd.org>, Alan Cox <alc@freebsd.org>, 
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[snip]

Hihi!

Do you have a shell script or something that I can run on the power8
box to see if nathan's pmap locking changes eliminate at least that
global pmap lock we're seeing on amd64?


-a