lockdep: Remove unused 'factor' variable from lockdep_stats_show()
Sergey Senozhatsky [Wed, 23 Mar 2011 12:38:28 +0000 (14:38 +0200)]
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
LKML-Reference: <20110323123828.GB4244@swordfish.minsk.epam.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

kernel/lockdep_proc.c

index 1969d2f..71edd2f 100644 (file)
@@ -225,7 +225,7 @@ static int lockdep_stats_show(struct seq_file *m, void *v)
                      nr_irq_read_safe = 0, nr_irq_read_unsafe = 0,
                      nr_softirq_read_safe = 0, nr_softirq_read_unsafe = 0,
                      nr_hardirq_read_safe = 0, nr_hardirq_read_unsafe = 0,
-                     sum_forward_deps = 0, factor = 0;
+                     sum_forward_deps = 0;
 
        list_for_each_entry(class, &all_lock_classes, lock_entry) {
 
@@ -283,13 +283,6 @@ static int lockdep_stats_show(struct seq_file *m, void *v)
                        nr_hardirq_unsafe * nr_hardirq_safe +
                        nr_list_entries);
 
-       /*
-        * Estimated factor between direct and indirect
-        * dependencies:
-        */
-       if (nr_list_entries)
-               factor = sum_forward_deps / nr_list_entries;
-
 #ifdef CONFIG_PROVE_LOCKING
        seq_printf(m, " dependency chains:             %11lu [max: %lu]\n",
                        nr_lock_chains, MAX_LOCKDEP_CHAINS);