1 files changed, 14 insertions, 0 deletions

diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index ff374ceface0..dd574d51bcaa 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -466,6 +466,20 @@ static inline void tasklet_hi_schedule(struct tasklet_struct *t)
                 __tasklet_hi_schedule(t);
 }
 
+extern void __tasklet_hi_schedule_first(struct tasklet_struct *t);
+
+/*
+ * This version avoids touching any other tasklets. Needed for kmemcheck
+ * in order not to take any page faults while enqueueing this tasklet;
+ * consider VERY carefully whether you really need this or
+ * tasklet_hi_schedule()...
+ */
+static inline void tasklet_hi_schedule_first(struct tasklet_struct *t)
+{
+        if (!test_and_set_bit(TASKLET_STATE_SCHED, &t->state))
+                __tasklet_hi_schedule_first(t);
+}
+
 
 static inline void tasklet_disable_nosync(struct tasklet_struct *t)
 {