srcu: Unconditionally embed struct lockdep_map

Since struct lockdep_map has zero size when CONFIG_DEBUG_LOCK_ALLOC=n,
this commit removes the #ifdef from the srcu_struct structure's ->dep_map.
This change will simplify further manipulations of this field.

Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Cc: Uladzislau Rezki <urezki@gmail.com>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Lai Jiangshan <jiangshanlai@gmail.com>
Cc: Neeraj Upadhyay <neeraju@codeaurora.org>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Joel Fernandes <joel@joelfernandes.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>

diff --git a/include/linux/srcutree.h b/include/linux/srcutree.h
index 9cfcc8a..cb1f435 100644 (file)
--- a/include/linux/srcutree.h
+++ b/include/linux/srcutree.h
@@ -82,9 +82,7 @@ struct srcu_struct {
                                                /*  callback for the barrier */
                                                /*  operation. */
        struct delayed_work work;
-#ifdef CONFIG_DEBUG_LOCK_ALLOC
        struct lockdep_map dep_map;
-#endif /* #ifdef CONFIG_DEBUG_LOCK_ALLOC */
 };
 
 /* Values for state variable (bottom bits of ->srcu_gp_seq). */