--- src/nvidia_subr.c.orig	2010-05-26 19:34:20.722118986 +0300
+++ src/nvidia_subr.c	2010-05-26 19:50:00.198768786 +0300
@@ -1237,6 +1237,7 @@
     struct nvidia_alloc *at;
     struct nvidia_softc *sc = nv->os_state;
     vm_offset_t address;
+    vm_page_t m;
     uint32_t i;
     vm_memattr_t attr;
     uint32_t size = (count * PAGE_SIZE);
@@ -1301,9 +1302,10 @@
 
     for (i = 0; i < count; i++) {
         pte_array[i] = at->pte_array[i].physical_address;
-        vm_page_lock_queues();
-        vm_page_wire(PHYS_TO_VM_PAGE(pte_array[i]));
-        vm_page_unlock_queues();
+        m = PHYS_TO_VM_PAGE(pte_array[i]);
+        vm_page_lock(m);
+        vm_page_wire(m);
+        vm_page_unlock(m);
         sglist_append_phys(at->sg_list, pte_array[i], PAGE_SIZE);
     }
 
@@ -1365,9 +1367,7 @@
         os_flush_cpu_cache();
 
     for (i = 0; i < count; i++) {
-        vm_page_lock_queues();
         vm_page_unwire(PHYS_TO_VM_PAGE(at->pte_array[i].physical_address), 0);
-        vm_page_unlock_queues();
         kmem_free(kernel_map,
                 at->pte_array[i].virtual_address, PAGE_SIZE);
         malloc_type_freed(M_NVIDIA, PAGE_SIZE);