The patch titled Subject: stack usage: add pid to warning printk in check_stack_usage has been added to the -mm tree. Its filename is stack-usage-add-pid-to-warning-printk-in-check_stack_usage.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Tim Bird <tim.bird@xxxxxxxxxxx> Subject: stack usage: add pid to warning printk in check_stack_usage In embedded systems, sometimes the same program (busybox) is the cause of multiple warnings. Outputting the pid with the program name in the warning printk helps distinguish which instances of a program are using the stack most. This is a small patch, but useful. Signed-off-by: Tim Bird <tim.bird@xxxxxxxxxxx> Cc: Oleg Nesterov <oleg@xxxxxxxxxx> Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx> Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- kernel/exit.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff -puN kernel/exit.c~stack-usage-add-pid-to-warning-printk-in-check_stack_usage kernel/exit.c --- a/kernel/exit.c~stack-usage-add-pid-to-warning-printk-in-check_stack_usage +++ a/kernel/exit.c @@ -884,9 +884,9 @@ static void check_stack_usage(void) spin_lock(&low_water_lock); if (free < lowest_to_date) { - printk(KERN_WARNING "%s used greatest stack depth: %lu bytes " - "left\n", - current->comm, free); + printk(KERN_WARNING "%s (%d) used greatest stack depth: " + "%lu bytes left\n", + current->comm, task_pid_nr(current), free); lowest_to_date = free; } spin_unlock(&low_water_lock); _ Subject: Subject: stack usage: add pid to warning printk in check_stack_usage Patches currently in -mm which might be from tim.bird@xxxxxxxxxxx are stack-usage-add-pid-to-warning-printk-in-check_stack_usage.patch -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html