PKMAP_NR
return pte_page(ptep_get(&pkmap_page_table[PKMAP_NR(addr)]));
pkmap_count[PKMAP_NR(vaddr)]++;
BUG_ON(pkmap_count[PKMAP_NR(vaddr)] < 2);
BUG_ON(pkmap_count[PKMAP_NR(vaddr)] < 1);
pkmap_count[PKMAP_NR(vaddr)]++;
nr = PKMAP_NR(vaddr);
kunmap_high(pte_page(ptep_get(&pkmap_page_table[PKMAP_NR(vaddr)])));
pam = &page_address_maps[PKMAP_NR((unsigned long)virtual)];