Alan Cox deb179bb4c The pmap function pmap_clear_reference() is no longer used. Remove it.
pmap_clear_reference() has had exactly one caller in the kernel for
several years, more precisely, since FreeBSD 8.  Now, that call no
longer exists.

Approved by:	re (kib)
Sponsored by:	EMC / Isilon Storage Division
2013-09-20 04:30:18 +00:00
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