K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2016-06-01T20:39:00.098158Z
K 7
svn:log
V 275
If the fast path unbusy in vm_page_replace() fails, slow path needs to
acquire the page lock, which recurses.  Avoid the recursion by reusing
the code from vm_page_remove() in a new helper
vm_page_xunbusy_maybelocked().

Reviewed by:	alc
Sponsored by:	The FreeBSD Foundation

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