K 10 svn:author V 3 alc K 8 svn:date V 27 2009-03-22T20:46:37.971143Z K 7 svn:log V 391 MFC r188932, r189785, r189795, and r190272 Optimize free_pv_entry(); specifically, avoid repeated TAILQ_REMOVE()s. Update the pmap's resident page count when a page table page is freed in pmap_remove_pde() and pmap_remove_pages(). Update stale comments. The alternate address space mapping was eliminated when PAE support was added to i386. The direct mapping exists on amd64. END