Alan Cox 9c60ca3238 Speed up vm_page_cache() and vm_page_remove() by checking for a few
common cases that can be handled in constant time.  The insight being
that a page's parent in the vm object's tree is very often its
predecessor or successor in the vm object's ordered memq.

Tested by:	jhb
MFC after:	10 days
2011-10-25 16:35:08 +00:00
..
2011-10-04 23:53:47 +00:00
2011-10-16 14:30:28 +00:00
2011-10-04 13:24:22 +00:00
2011-10-18 08:09:44 +00:00