gfn_to_rmap
rmap_head = gfn_to_rmap(gfn, sp->role.level, slot);
rmap_head = gfn_to_rmap(slot->base_gfn + gfn_offset + __ffs(mask),
rmap_head = gfn_to_rmap(slot->base_gfn + gfn_offset + __ffs(mask),
rmap_head = gfn_to_rmap(gfn, i, slot);
iterator->rmap = gfn_to_rmap(iterator->gfn, level, iterator->slot);
iterator->end_rmap = gfn_to_rmap(iterator->end_gfn, level, iterator->slot);
rmap_head = gfn_to_rmap(gfn, sp->role.level, slot);
rmap_head = gfn_to_rmap(gfn, level, range->slot);