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-rw-r--r--mm/kmemleak.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/mm/kmemleak.c b/mm/kmemleak.c
index 31f01c5011e..474379ea3cf 100644
--- a/mm/kmemleak.c
+++ b/mm/kmemleak.c
@@ -218,7 +218,8 @@ static int kmemleak_stack_scan = 1;
static DEFINE_MUTEX(scan_mutex);
/* setting kmemleak=on, will set this var, skipping the disable */
static int kmemleak_skip_disable;
-
+/* If there are leaks that can be reported */
+static bool kmemleak_found_leaks;
/*
* Early object allocation/freeing logging. Kmemleak is initialized after the
@@ -1382,9 +1383,12 @@ static void kmemleak_scan(void)
}
rcu_read_unlock();
- if (new_leaks)
+ if (new_leaks) {
+ kmemleak_found_leaks = true;
+
pr_info("%d new suspected memory leaks (see "
"/sys/kernel/debug/kmemleak)\n", new_leaks);
+ }
}
@@ -1592,6 +1596,8 @@ static void kmemleak_clear(void)
spin_unlock_irqrestore(&object->lock, flags);
}
rcu_read_unlock();
+
+ kmemleak_found_leaks = false;
}
/*
@@ -1685,12 +1691,11 @@ static const struct file_operations kmemleak_fops = {
static void kmemleak_do_cleanup(struct work_struct *work)
{
struct kmemleak_object *object;
- bool cleanup = scan_thread == NULL;
mutex_lock(&scan_mutex);
stop_scan_thread();
- if (cleanup) {
+ if (!kmemleak_found_leaks) {
rcu_read_lock();
list_for_each_entry_rcu(object, &object_list, object_list)
delete_object_full(object->pointer);