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Date:      Wed, 1 Feb 2012 10:17:21 +0100
From:      n dhert <ndhertbsd@gmail.com>
To:        freebsd-questions@freebsd.org
Subject:   limit on PV entries
Message-ID:  <CAEFCw4v9-wtqppYgDWXEn0C0ecW0SbAD9A_39QkEDk6oc9Z6yQ@mail.gmail.com>

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FreeBSD 8.2-RELEASE
>From time to time, I get in /var/log/messages
 kernel: Approaching the limit on PV entries, consider increasing either
the vm.pmap.shpgperproc or the vm.pmap.pv_entry_max sysctl.

this started a few weeks ago, never had that before, don't have it on other
FreeBSD 8.2-RELEASE systems.

- What does this mean?
- And how to increase either of the two and to what level ?

$ sysctl vm.pmap.shpgperproc
vm.pmap.shpgperproc: 200
$ sysctl vm.pmap.pv_entry_max
vm.pmap.pv_entry_max: 3256966



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