rcu, debug: detect stalled grace periods

[linux-2.6-omap-h63xx.git] / include / linux / rcuclassic.h

diff --git a/include/linux/rcuclassic.h b/include/linux/rcuclassic.h
index 04c728147be0a6b5b21a812cc23f462b899dd5c3..16589958b40e07958397c1ca7ce82577243baf20 100644 (file)
--- a/include/linux/rcuclassic.h
+++ b/include/linux/rcuclassic.h
@@ -46,6 +46,9 @@ struct rcu_ctrlblk {
        long    cur;            /* Current batch number.                      */
        long    completed;      /* Number of the last completed batch         */
        long    pending;        /* Number of the last pending batch           */
+#ifdef CONFIG_DEBUG_RCU_STALL
+       unsigned long gp_check; /* Time grace period should end, in seconds.  */
+#endif /* #ifdef CONFIG_DEBUG_RCU_STALL */
 
        int     signaled;