vm_munmap_memseg
int vm_munmap_memseg(struct vmctx *ctx, vm_paddr_t gpa, size_t len);
error = vm_munmap_memseg(sc->vm, mu->gpa, mu->len);
int vm_munmap_memseg(struct vm *vm, vm_paddr_t gpa, size_t len);
if (vm_munmap_memseg(pi->pi_vmctx, sc->fbaddr, FB_SIZE) != 0)
if (vm_munmap_memseg(pi->pi_vmctx, addr, size) != 0) {