uvm_physseg_free
uvm_physseg_free(seg, sizeof(struct uvm_physseg));
uvm_physseg_free(ps, sizeof(struct uvm_physseg));
uvm_physseg_free(&uvm_physseg[0], sizeof(struct uvm_physseg) - 1);
uvm_physseg_free(seg, (VM_PHYSSEG_MAX - 1) * sizeof(struct uvm_physseg));
uvm_physseg_free(seg, sizeof(struct uvm_physseg) - 1);
uvm_physseg_free(seg, 2 * VM_PHYSSEG_MAX * sizeof(struct uvm_physseg));
uvm_physseg_free(seg, sizeof(*seg));