31 	pteval_t old_pte, new_pte, pte;  in pte_set_nc()  local
38 		new_pte = old_pte + REFCOUNT_INC;  in pte_set_nc()
43 			new_pte &= ~(PTE_ATTRINDX_MASK | PTE_VALID);  in pte_set_nc()
44 			new_pte |= PTE_ATTRINDX(MT_NORMAL_NC);  in pte_set_nc()
46 		pte = cmpxchg_relaxed(&pte_val(*ptep), old_pte, new_pte);  in pte_set_nc()
54 	WRITE_ONCE(*ptep, __pte(new_pte | PTE_VALID));  in pte_set_nc()
60 	pteval_t old_pte, new_pte, pte;  in pte_clear_nc()  local
66 		new_pte = old_pte - REFCOUNT_INC;  in pte_clear_nc()
71 			new_pte &= ~(PTE_ATTRINDX_MASK | PTE_VALID);  in pte_clear_nc()
72 			new_pte |= PTE_ATTRINDX(MT_NORMAL_TAGGED);  in pte_clear_nc()
74 		pte = cmpxchg_relaxed(&pte_val(*ptep), old_pte, new_pte);  in pte_clear_nc()
81 	WRITE_ONCE(*ptep, __pte(new_pte | PTE_VALID));  in pte_clear_nc()