Function pmap_pdpe

freebsd/amd64/amd64/pmap.c:1387–1398

Return a pointer to the PDP slot that corresponds to a VA */

/* Return a pointer to the PDP slot that corresponds to a VA */
static __inline pdp_entry_t *
pmap_pdpe(pmap_t pmap, vm_offset_t va)
{
	pml4_entry_t *pml4e;
	pt_entry_t PG_V;

	PG_V = pmap_valid_bit(pmap);
	pml4e = pmap_pml4e(pmap, va);
	if (pml4e == NULL || (*pml4e & PG_V) == 0)
		return (NULL);
	return (pmap_pml4e_to_pdpe(pml4e, va));
}

/* Return a pointer to the PD slot that corresponds to a VA */
static __inline pd_entry_t *