Avoid pointless (but harmless) actions on unmanaged pages.

Reviewed by: kib Sponsored by: EMC / Isilon Storage Division
int0dh · Aug 14, 2014 · e11aaa2 · e11aaa2
1 parent ceb22d5
commit e11aaa2
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/sys/vm/vm_fault.c b/sys/vm/vm_fault.c
@@ -851,8 +851,9 @@ RetryFault:;
 	if (hardfault)
 		fs.entry->next_read = fs.pindex + faultcount - reqpage;
 
-	if ((prot & VM_PROT_WRITE) != 0 ||
-	    (fault_flags & VM_FAULT_DIRTY) != 0) {
+	if (((prot & VM_PROT_WRITE) != 0 ||
+	    (fault_flags & VM_FAULT_DIRTY) != 0) &&
+	    (fs.m->oflags & VPO_UNMANAGED) == 0) {
 		vm_object_set_writeable_dirty(fs.object);
 
 		/*