alc e7f49ffe6f Handle a race between pmap_kextract() and pmap_promote_pde(). This race is
known to cause a kernel crash in ZFS on i386 when superpage promotion is
enabled.

Tested by:	netchild
MFC after:	1 week
2010-01-23 18:42:28 +00:00
..
2009-09-11 23:41:11 +00:00
2010-01-01 20:55:11 +00:00
2009-04-15 17:31:22 +00:00
2009-03-05 18:32:43 +00:00
2009-09-04 07:29:24 +00:00
2007-12-02 20:40:35 +00:00