Re: [PATCH v4 02/15] mm/oom_kill: convert process/thread iterators to for_each_*_rculock

[Oleg Nesterov]

On 09/21, Ye Liu wrote:
>
> From: Ye Liu <liuye@xxxxxxxxxx>
>
> Replace the manual rcu_read_lock()/rcu_read_unlock() pairs wrapping
> for_each_process()/for_each_thread() loops with for_each_process_rculock()
> and for_each_thread_rculock(), which scope the RCU read lock to the
> loop body via scoped_guard(rcu).
>
> No functional change.
>
> Signed-off-by: Ye Liu <liuye@xxxxxxxxxx>
> Acked-by: Michal Hocko <mhocko@xxxxxxxx>
> Reviewed-by: SJ Park <sj@xxxxxxxxxx>
> Reviewed-by: Gregory Price (Meta) <gourry@xxxxxxxxxx>
> Reviewed-by: Lorenzo Stoakes (ARM) <ljs@xxxxxxxxxx>
> ---
>  mm/oom_kill.c | 20 +++++---------------
>  1 file changed, 5 insertions(+), 15 deletions(-)

Reviewed-by: Oleg Nesterov <oleg@xxxxxxxxxx>