Index: sys/ufs/ffs/ffs_softdep.c
===================================================================
--- sys/ufs/ffs/ffs_softdep.c	(revision 244163)
+++ sys/ufs/ffs/ffs_softdep.c	(working copy)
@@ -1569,7 +1569,7 @@ softdep_process_worklist(mp, full)
 		 */
 		if (should_yield()) {
 			FREE_LOCK(&lk);
-			kern_yield(PRI_UNCHANGED);
+			kern_yield(PRI_USER);
 			bwillwrite();
 			ACQUIRE_LOCK(&lk);
 		}
Index: sys/kern/vfs_bio.c
===================================================================
--- sys/kern/vfs_bio.c	(revision 244163)
+++ sys/kern/vfs_bio.c	(working copy)
@@ -2209,7 +2209,7 @@ buf_daemon()
 		while (numdirtybuffers > lodirtybuffers) {
 			if (buf_do_flush(NULL) == 0)
 				break;
-			kern_yield(PRI_UNCHANGED);
+			kern_yield(PRI_USER);
 		}
 		lodirtybuffers = lodirtysave;
 
Index: sys/kern/vfs_mount.c
===================================================================
--- sys/kern/vfs_mount.c	(revision 244163)
+++ sys/kern/vfs_mount.c	(working copy)
@@ -1724,7 +1724,7 @@ __mnt_vnode_next(struct vnode **mvp, struct mount
 	KASSERT((*mvp)->v_mount == mp, ("marker vnode mount list mismatch"));
 	if (should_yield()) {
 		MNT_IUNLOCK(mp);
-		kern_yield(PRI_UNCHANGED);
+		kern_yield(PRI_USER);
 		MNT_ILOCK(mp);
 	}
 	vp = TAILQ_NEXT(*mvp, v_nmntvnodes);
Index: sys/kern/vfs_subr.c
===================================================================
--- sys/kern/vfs_subr.c	(revision 244163)
+++ sys/kern/vfs_subr.c	(working copy)
@@ -740,7 +740,7 @@ next_iter:
 			continue;
 		MNT_IUNLOCK(mp);
 yield:
-		kern_yield(PRI_UNCHANGED);
+		kern_yield(PRI_USER);
 relock_mnt:
 		MNT_ILOCK(mp);
 	}
@@ -852,7 +852,7 @@ vnlru_proc(void)
 			vnlru_nowhere++;
 			tsleep(vnlruproc, PPAUSE, "vlrup", hz * 3);
 		} else
-			kern_yield(PRI_UNCHANGED);
+			kern_yield(PRI_USER);
 	}
 }
 
@@ -4634,7 +4634,7 @@ __mnt_vnode_next_all(struct vnode **mvp, struct mo
 	struct vnode *vp;
 
 	if (should_yield())
-		kern_yield(PRI_UNCHANGED);
+		kern_yield(PRI_USER);
 	MNT_ILOCK(mp);
 	KASSERT((*mvp)->v_mount == mp, ("marker vnode mount list mismatch"));
 	vp = TAILQ_NEXT(*mvp, v_nmntvnodes);
@@ -4716,7 +4716,7 @@ __mnt_vnode_next_active(struct vnode **mvp, struct
 	struct vnode *vp, *nvp;
 
 	if (should_yield())
-		kern_yield(PRI_UNCHANGED);
+		kern_yield(PRI_USER);
 	mtx_lock(&vnode_free_list_mtx);
 restart:
 	KASSERT((*mvp)->v_mount == mp, ("marker vnode mount list mismatch"));
@@ -4729,7 +4729,7 @@ restart:
 		if (!VI_TRYLOCK(vp)) {
 			if (should_yield()) {
 				mtx_unlock(&vnode_free_list_mtx);
-				kern_yield(PRI_UNCHANGED);
+				kern_yield(PRI_USER);
 				mtx_lock(&vnode_free_list_mtx);
 			}
 			goto restart;
@@ -4780,7 +4780,7 @@ restart:
 		if (!VI_TRYLOCK(vp)) {
 			if (should_yield()) {
 				mtx_unlock(&vnode_free_list_mtx);
-				kern_yield(PRI_UNCHANGED);
+				kern_yield(PRI_USER);
 				mtx_lock(&vnode_free_list_mtx);
 			}
 			goto restart;