Another alpha panic

[Andrew Gallatin]

Andrew Gallatin writes:
 > 
 > Alan Cox writes:
 > 
 >  > Fixing this should be mechanical in nature: Search for all uses
 >  > of PG_UNMANAGED in amd64's or i386's and change alpha's pmap accordingly.
 >  > Volunteer?  I can review the patch but not test it.
 > 
 > How does the attached patch look?  I"ll try a buildworld with
 > it before commiting, naturally..

FWIW, the patch seems to test fine.  First time I've built
world on my UP1000 in 6 months..

Drew