riscv: use pmap_l1_pindex to calculate the pindex of the l2 page tabl…

…e page Reviewed by: mhorne MFC after: 1 week Pull Request: freebsd#1360
mhorne · Aug 29, 2024 · 835cd17 · 835cd17
1 parent 2e33abc
commit 835cd17
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/sys/riscv/riscv/pmap.c b/sys/riscv/riscv/pmap.c
@@ -1743,7 +1743,7 @@ pmap_alloc_l2(pmap_t pmap, vm_offset_t va, struct rwlock **lockp)
 {
 	pd_entry_t *l1;
 	vm_page_t l2pg;
-	vm_pindex_t l2pindex;
+	vm_pindex_t pindex;
 
 retry:
 	l1 = pmap_l1(pmap, va);
@@ -1756,8 +1756,8 @@ pmap_alloc_l2(pmap_t pmap, vm_offset_t va, struct rwlock **lockp)
 		l2pg->ref_count++;
 	} else {
 		/* Allocate a L2 page. */
-		l2pindex = pmap_l2_pindex(va) >> Ln_ENTRIES_SHIFT;
-		l2pg = _pmap_alloc_l3(pmap, NUL2E + l2pindex, lockp);
+		pindex = pmap_l1_pindex(va);
+		l2pg = _pmap_alloc_l3(pmap, pindex, lockp);
 		if (l2pg == NULL && lockp != NULL)
 			goto retry;
 	}