kmemleak: Remove the reported leaks number limitation

Since the leaks are no longer printed to the syslog, there is no point
in keeping this limitation. All the suspected leaks are shown on
/sys/kernel/debug/kmemleak file.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

diff --git a/mm/kmemleak.c b/mm/kmemleak.c
index 93f14818e90180ce287281bbeab2aea719a343d6..3c2b24c49a84182b67d6a9c89e0baf5fc8f38a60 100644 (file)
--- a/mm/kmemleak.c
+++ b/mm/kmemleak.c
@@ -103,7 +103,6 @@
  * Kmemleak configuration and common defines.
  */
 #define MAX_TRACE              16      /* stack trace length */
-#define REPORTS_NR             50      /* maximum number of reported leaks */
 #define MSECS_MIN_AGE          5000    /* minimum object age for reporting */
 #define SECS_FIRST_SCAN                60      /* delay before the first scan */
 #define SECS_SCAN_WAIT         600     /* subsequent auto scanning delay */
@@ -196,9 +195,6 @@ static int kmemleak_stack_scan = 1;
 /* protects the memory scanning, parameters and debug/kmemleak file access */
 static DEFINE_MUTEX(scan_mutex);
 
-/* number of leaks reported (for limitation purposes) */
-static int reported_leaks;
-
 /*
  * Early object allocation/freeing logging. Kmemleak is initialized after the
  * kernel allocator. However, both the kernel allocator and kmemleak may
@@ -1106,11 +1102,6 @@ static void *kmemleak_seq_start(struct seq_file *seq, loff_t *pos)
        struct kmemleak_object *object;
        loff_t n = *pos;
 
-       if (!n)
-               reported_leaks = 0;
-       if (reported_leaks >= REPORTS_NR)
-               return NULL;
-
        rcu_read_lock();
        list_for_each_entry_rcu(object, &object_list, object_list) {
                if (n-- > 0)
@@ -1135,8 +1126,6 @@ static void *kmemleak_seq_next(struct seq_file *seq, void *v, loff_t *pos)
        struct list_head *n = &prev_obj->object_list;
 
        ++(*pos);
-       if (reported_leaks >= REPORTS_NR)
-               goto out;
 
        rcu_read_lock();
        list_for_each_continue_rcu(n, &object_list) {
@@ -1145,7 +1134,7 @@ static void *kmemleak_seq_next(struct seq_file *seq, void *v, loff_t *pos)
                        break;
        }
        rcu_read_unlock();
-out:
+
        put_object(prev_obj);
        return next_obj;
 }
@@ -1168,10 +1157,8 @@ static int kmemleak_seq_show(struct seq_file *seq, void *v)
        unsigned long flags;
 
        spin_lock_irqsave(&object->lock, flags);
-       if ((object->flags & OBJECT_REPORTED) && unreferenced_object(object)) {
+       if ((object->flags & OBJECT_REPORTED) && unreferenced_object(object))
                print_unreferenced(seq, object);
-               reported_leaks++;
-       }
        spin_unlock_irqrestore(&object->lock, flags);
        return 0;
 }