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-rw-r--r--kernel/lockdep_proc.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/kernel/lockdep_proc.c b/kernel/lockdep_proc.c
index fa19aee604c2..4b194d34d77f 100644
--- a/kernel/lockdep_proc.c
+++ b/kernel/lockdep_proc.c
@@ -82,7 +82,6 @@ static void print_name(struct seq_file *m, struct lock_class *class)
static int l_show(struct seq_file *m, void *v)
{
- unsigned long nr_forward_deps, nr_backward_deps;
struct lock_class *class = v;
struct lock_list *entry;
char c1, c2, c3, c4;
@@ -96,11 +95,10 @@ static int l_show(struct seq_file *m, void *v)
#ifdef CONFIG_DEBUG_LOCKDEP
seq_printf(m, " OPS:%8ld", class->ops);
#endif
- nr_forward_deps = lockdep_count_forward_deps(class);
- seq_printf(m, " FD:%5ld", nr_forward_deps);
-
- nr_backward_deps = lockdep_count_backward_deps(class);
- seq_printf(m, " BD:%5ld", nr_backward_deps);
+#ifdef CONFIG_PROVE_LOCKING
+ seq_printf(m, " FD:%5ld", lockdep_count_forward_deps(class));
+ seq_printf(m, " BD:%5ld", lockdep_count_backward_deps(class));
+#endif
get_usage_chars(class, &c1, &c2, &c3, &c4);
seq_printf(m, " %c%c%c%c", c1, c2, c3, c4);
@@ -325,7 +323,9 @@ static int lockdep_stats_show(struct seq_file *m, void *v)
if (class->usage_mask & LOCKF_ENABLED_HARDIRQS_READ)
nr_hardirq_read_unsafe++;
+#ifdef CONFIG_PROVE_LOCKING
sum_forward_deps += lockdep_count_forward_deps(class);
+#endif
}
#ifdef CONFIG_DEBUG_LOCKDEP
DEBUG_LOCKS_WARN_ON(debug_atomic_read(&nr_unused_locks) != nr_unused);

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