parisc: Define and use set_pte_at()

When a PTE is changed, we need to flush the PTE. set_pte_at()
was lost in the folio update. PA-RISC version is the same as
the generic version.

Signed-off-by: John David Anglin <[e-mail]>
Signed-off-by: Helge Deller <[e-mail]>
Cc: [e-mail] # v5.12+

arch/parisc/include/asm/pgtable.h

···
 #define pte_none(x)     (pte_val(x) == 0)
 #define pte_present(x)	(pte_val(x) & _PAGE_PRESENT)
 #define pte_user(x)	(pte_val(x) & _PAGE_USER)
-#define pte_clear(mm, addr, xp)  set_pte(xp, __pte(0))
+#define pte_clear(mm, addr, xp) set_pte_at((mm), (addr), (xp), __pte(0))
 
 #define pmd_flag(x)	(pmd_val(x) & PxD_FLAG_MASK)
 #define pmd_address(x)	((unsigned long)(pmd_val(x) &~ PxD_FLAG_MASK) << PxD_VALUE_SHIFT)
···
 	}
 }
 #define set_ptes set_ptes
+#define set_pte_at(mm, addr, ptep, pte) set_ptes(mm, addr, ptep, pte, 1)
 
 /* Used for deferring calls to flush_dcache_page() */
 
···
 	if (!pte_young(pte)) {
 		return 0;
 	}
-	set_pte(ptep, pte_mkold(pte));
+	set_pte_at(vma->vm_mm, addr, ptep, pte_mkold(pte));
 	return 1;
 }
 
···
 struct mm_struct;
 static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
 {
-	set_pte(ptep, pte_wrprotect(*ptep));
+	set_pte_at(mm, addr, ptep, pte_wrprotect(*ptep));
 }
 
 #define pte_same(A,B)	(pte_val(A) == pte_val(B))