Jeff Roberson 0f9e06e18b Fix a few places that free a page from an object without busy held. This is
tightening constraints on busy as a precursor to lockless page lookup and
should largely be a NOP for these cases.

Reviewed by:	alc, kib, markj
Differential Revision:	https://reviews.freebsd.org/D22611
2019-12-02 22:42:05 +00:00
..