pm_refcnt
pm->pm_refcnt = 1;
pm, pm->pm_l0table, pm->pm_refcnt, 0);
refcnt = atomic_dec_uint_nv(&pm->pm_refcnt);
kpm->pm_refcnt = 1;
efipm->pm_refcnt = 1;
atomic_inc_uint(&pm->pm_refcnt);
KASSERT(mutex_owned(&pm->pm_lock) || pm->pm_refcnt == 0);
unsigned int pm_refcnt;
uint16_t pm_refcnt; /* reference count */
pmap->pm_refcnt = 1;
KASSERT(pmap->pm_refcnt > 0);
newval = --pmap->pm_refcnt;
pmap->pm_refcnt++;
KASSERT(pmap->pm_refcnt > 0);
int pm_refcnt;
pmap_kernel()->pm_refcnt = 1;
pmap->pm_refcnt = 1;
if (--pmap->pm_refcnt > 0)
pmap->pm_refcnt++;
.pm_refcnt = 1,
pmap->pm_refcnt = 1;
if (atomic_dec_uint_nv(&pmap->pm_refcnt) > 0) {
KASSERT(pmap->pm_refcnt == 0);
atomic_inc_uint(&pmap->pm_refcnt);