diff options
Diffstat (limited to 'kernel/exit.c')
| -rw-r--r-- | kernel/exit.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/kernel/exit.c b/kernel/exit.c index 18948169f997..77d54139672b 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -632,6 +632,7 @@ static void check_stack_usage(void) static DEFINE_SPINLOCK(low_water_lock); static int lowest_to_date = THREAD_SIZE; unsigned long free; + int islower = false; free = stack_not_used(current); @@ -640,11 +641,16 @@ static void check_stack_usage(void) spin_lock(&low_water_lock); if (free < lowest_to_date) { - pr_warn("%s (%d) used greatest stack depth: %lu bytes left\n", - current->comm, task_pid_nr(current), free); lowest_to_date = free; + islower = true; } spin_unlock(&low_water_lock); + + if (islower) { + printk(KERN_WARNING "%s (%d) used greatest stack depth: " + "%lu bytes left\n", + current->comm, task_pid_nr(current), free); + } } #else static inline void check_stack_usage(void) {} |