K 10
svn:author
V 6
cognet
K 8
svn:date
V 27
2015-03-21T15:32:59.675683Z
K 7
svn:log
V 333
When waiting on PTE allocation, another thread could free the l2_dtable while
we're not looking at it.
Fix this by increasing l2->l2_occupancy before we try to alloc (and decrease
it if the allocation failed, or if another thread did a similar allocation).

Submitted by:	Kohji Okuno <okuno.kohji@jp.panasonic.com>
MFC after:	1 week

END