vm: address-space: update pmap API usage

vm/address-space.c

@@ -661,9 +661,8 @@ static void area_unmap(struct vm_area *area)
 	pmap_t pmap = area->vma_space->s_pmap;
 	virt_addr_t base = area->vma_base;
 	virt_addr_t limit = area->vma_limit;
-	for (virt_addr_t i = base; i < limit; i += VM_PAGE_SIZE) {
-		pmap_remove(pmap, i);
-	}
+	pmap_remove_range(pmap, base, limit - base);
+	pmap_flush();
 }
 
 static kern_status_t address_space_cleanup(struct object *obj)
@@ -844,11 +843,9 @@ static kern_status_t split_area(
 	}
 
 	put_entry(&root->s_mappings, right);
-	for (size_t i = unmap_base; i < unmap_limit; i += VM_PAGE_SIZE) {
-		tracek("pmap_remove %zx", i);
-		pmap_remove(root->s_pmap, i);
-	}
 
+	pmap_remove_range(root->s_pmap, unmap_base, unmap_limit - unmap_base);
+	pmap_flush();
 	return KERN_OK;
 }
 
@@ -883,10 +880,8 @@ static kern_status_t left_reduce_area(
 	}
 
 	tracek(" pmap_remove %zx-%zx (%zx bytes)", base, base + length, length);
-	for (size_t i = base; i < limit; i += VM_PAGE_SIZE) {
-		pmap_remove(root->s_pmap, i);
-	}
-
+	pmap_remove_range(root->s_pmap, base, length);
+	pmap_flush();
 	return KERN_OK;
 }
 
@@ -920,10 +915,8 @@ static kern_status_t right_reduce_area(
 	}
 
 	tracek(" pmap_remove %zx-%zx (%zx bytes)", base, base + length, length);
-	for (size_t i = base; i < limit; i += VM_PAGE_SIZE) {
-		pmap_remove(root->s_pmap, i);
-	}
-
+	pmap_remove_range(root->s_pmap, base, limit - base);
+	pmap_flush();
 	return KERN_OK;
 }
 
@@ -942,10 +935,11 @@ static kern_status_t delete_area(
 	       mapping->vma_limit,
 	       mapping->vma_limit - mapping->vma_base);
 
-	for (size_t i = mapping->vma_base; i < mapping->vma_limit;
-	     i += VM_PAGE_SIZE) {
-		pmap_remove(root->s_pmap, i);
-	}
+	pmap_remove_range(
+		root->s_pmap,
+		mapping->vma_base,
+		mapping->vma_limit - mapping->vma_base);
+	pmap_flush();
 
 	struct vm_object *object = mapping->vma_object;
 	unsigned long flags;