Re: [PATCH 1/4] hung_task: Move hung_task sysctl interface to hung_task_sysctl.c

From: Kees Cook
Date: Fri May 15 2020 - 04:04:27 EST


On Fri, May 15, 2020 at 12:33:41PM +0800, Xiaoming Ni wrote:
> Move hung_task sysctl interface to hung_task_sysctl.c.
> Use register_sysctl() to register the sysctl interface to avoid
> merge conflicts when different features modify sysctl.c at the same time.
>
> Signed-off-by: Xiaoming Ni <nixiaoming@xxxxxxxxxx>
> ---
> include/linux/sched/sysctl.h | 8 +----
> kernel/Makefile | 4 ++-
> kernel/hung_task.c | 6 ++--
> kernel/hung_task.h | 21 ++++++++++++
> kernel/hung_task_sysctl.c | 80 ++++++++++++++++++++++++++++++++++++++++++++

Why a separate file? That ends up needing changes to Makefile, the
creation of a new header file, etc. Why not just put it all into
hung_task.c directly?

-Kees

--
Kees Cook