mm/pat/set_memory.c

932 	pgprot_t old_prot, new_prot, req_prot, chk_prot;
1049 	new_prot = static_protections(req_prot, lpaddr, old_pfn, numpages,
1052 	new_prot = verify_rwx(old_prot, new_prot, lpaddr, old_pfn, numpages,
1064 	if (pgprot_val(req_prot) != pgprot_val(new_prot))
1068 	new_pte = pfn_pte(old_pfn, new_prot);
1856 		pgprot_t new_prot = pte_pgprot(old_pte);
1859 		pgprot_val(new_prot) &= ~pgprot_val(cpa->mask_clr);
1860 		pgprot_val(new_prot) |= pgprot_val(cpa->mask_set);
1864 		new_prot = static_protections(new_prot, address, pfn, 1, 0,
1867 		new_prot = verify_rwx(old_prot, new_prot, address, pfn, 1,
1870 		new_prot = pgprot_clear_protnone_bits(new_prot);
1877 		new_pte = pfn_pte(pfn, new_prot);