got_lock 1924 uvm/uvm_vnode.c boolean_t got_lock; got_lock 1944 uvm/uvm_vnode.c while ((got_lock = simple_lock_try(&uvn->u_obj.vmobjlock)) == got_lock 1963 uvm/uvm_vnode.c if (!got_lock || (uvn->u_flags & UVM_VNODE_BLOCKED) != 0) { got_lock 1964 uvm/uvm_vnode.c if (got_lock)