Function pmap_change_attr

freebsd/arm64/arm64/pmap.c:6083–6092

* Changes the specified virtual address range's memory type to that given by * the parameter "mode". The specified virtual address range must be * completely contained within either the direct map or the kernel map. If * the virtual address range is contained within the kernel map, then the * memory type for each of the corresponding ranges of the direct map is also * changed. (The corresp

 * virtual address range or the direct map.
 */
int
pmap_change_attr(vm_offset_t va, vm_size_t size, int mode)
{
	int error;

	PMAP_LOCK(kernel_pmap);
	error = pmap_change_attr_locked(va, size, mode);
	PMAP_UNLOCK(kernel_pmap);
	return (error);
}

static int
pmap_change_attr_locked(vm_offset_t va, vm_size_t size, int mode)