Re: [PATCH v2 1/3] mm, oom: move task_will_free_mem up in the file to be used in process_mrelease

[David Hildenbrand <david@redhat.com>]

On 18.07.21 23:41, Suren Baghdasaryan wrote:
> process_mrelease needs to be added in the CONFIG_MMU-dependent block which
> comes before __task_will_free_mem and task_will_free_mem. Move these
> functions before this block so that new process_mrelease syscall can use
> them.
> 
> Signed-off-by: Suren Baghdasaryan <surenb@google.com>
> ---
> changes in v2:
> - Fixed build error when CONFIG_MMU=n, reported by kernel test robot. This
> required moving task_will_free_mem implemented in the first patch
> - Renamed process_reap to process_mrelease, per majority of votes
> - Replaced "dying process" with "process which was sent a SIGKILL signal" in
> the manual page text, per Florian Weimer
> - Added ERRORS section in the manual page text
> - Resolved conflicts in syscall numbers caused by the new memfd_secret syscall
> - Separated boilerplate code wiring-up the new syscall into a separate patch
> to facilitate the review process
> 
>   mm/oom_kill.c | 150 +++++++++++++++++++++++++-------------------------
>   1 file changed, 75 insertions(+), 75 deletions(-)

TBH, I really dislike this move as it makes git blame a lot harder with 
any real benefit.

Can't you just use prototypes to avoid the move for now in patch #2?

static bool task_will_free_mem(struct task_struct *task);


-- 
Thanks,

David / dhildenb