Index: uvm_map.c
===================================================================
RCS file: /cvs/src/sys/uvm/uvm_map.c,v
diff -u -p -U4 -r1.331 uvm_map.c
--- uvm_map.c	20 Oct 2024 11:28:17 -0000	1.331
+++ uvm_map.c	21 Oct 2024 06:30:10 -0000
@@ -5244,9 +5244,9 @@ vm_map_lock_ln(struct vm_map *map, char 
 		mtx_enter(&map->flags_lock);
 		for (;;) {
 			while (map->busy != NULL && map->busy != curproc) {
 				map->nbusy++;
-				msleep_nsec(&map->busy, &map->mtx,
+				msleep_nsec(&map->busy, &map->flags_lock,
 				    PVM, vmmapbsy, INFSLP);
 				map->nbusy--;
 			}
 			mtx_leave(&map->flags_lock);