mm: __count_immobile_pages(): make sure the node is online
[cascardo/linux.git] / mm / backing-dev.c
index 71034f4..7ba8fea 100644 (file)
@@ -600,14 +600,10 @@ static void bdi_wb_shutdown(struct backing_dev_info *bdi)
 
        /*
         * Finally, kill the kernel thread. We don't need to be RCU
-        * safe anymore, since the bdi is gone from visibility. Force
-        * unfreeze of the thread before calling kthread_stop(), otherwise
-        * it would never exet if it is currently stuck in the refrigerator.
+        * safe anymore, since the bdi is gone from visibility.
         */
-       if (bdi->wb.task) {
-               thaw_process(bdi->wb.task);
+       if (bdi->wb.task)
                kthread_stop(bdi->wb.task);
-       }
 }
 
 /*