Re: [PATCH 3/4][PoC][RFC] Connect rlimit-events with process life cycle

From: Greg KH
Date: Thu Oct 19 2017 - 03:41:38 EST


On Wed, Oct 18, 2017 at 10:32:29PM +0200, Krzysztof Opasiak wrote:
> Add rlimit-events call to process lifecycle to ensure that
> we get notified whenever process dies (to cleanup our watch
> levels) or forks (to implement watch levels inheritance).
>
> Signed-off-by: Krzysztof Opasiak <k.opasiak@xxxxxxxxxxx>
> ---
> kernel/exit.c | 4 ++++
> kernel/fork.c | 16 +++++++++++++++-
> 2 files changed, 19 insertions(+), 1 deletion(-)
>
> diff --git a/kernel/exit.c b/kernel/exit.c
> index 516acdb0e0ec..c7e435ac4428 100644
> --- a/kernel/exit.c
> +++ b/kernel/exit.c
> @@ -62,6 +62,7 @@
> #include <linux/kcov.h>
> #include <linux/random.h>
> #include <linux/rcuwait.h>
> +#include <linux/rlimit_noti.h>
>
> #include <linux/uaccess.h>
> #include <asm/unistd.h>
> @@ -858,6 +859,9 @@ void __noreturn do_exit(long code)
> if (group_dead)
> tty_audit_exit();
> audit_free(tsk);
> +#ifdef CONFIG_RLIMIT_NOTIFICATION
> + rlimit_noti_task_exit(tsk);
> +#endif

#ifdef should not be needed in a .c file :(