kmap_prot
return kmap_atomic_prot(page, kmap_prot);
return __kmap_local_pfn_prot(pfn, kmap_prot);
#ifndef kmap_prot
return __kmap_local_page_prot(page, kmap_prot);
return __kmap_local_page_prot(page, kmap_prot) + offset % PAGE_SIZE;
return __kmap_local_pfn_prot(pfn, kmap_prot);
&(pkmap_page_table[last_pkmap_nr]), mk_pte(page, kmap_prot));