b53788:       38 80 00 00     li      r4,0
                PMAP_UNLOCK(pmap);
        }
        if ((m->flags & PG_FICTITIOUS) == 0) {
                pvh = pa_to_pvh(VM_PAGE_TO_PHYS(m));
                TAILQ_FOREACH(pv, &pvh->pv_list, pv_link) {
                        pmap = PV_PMAP(pv);
  b5378c:       ea 23 00 00     ld      r17,0(r3)
                        if (!PMAP_TRYLOCK(pmap)) {
  b53790:       38 a0 00 00     li      r5,0
  b53794:       38 c0 00 00     li      r6,0
  b53798:       3b 91 00 28     addi    r28,r17,40
  b5379c:       7f 83 e3 78     mr      r3,r28
  b537a0:       4b b6 ce e1     bl      6c0680 <_mtx_trylock_flags_+0x8>