Re: [PATCH v3 1/2] mm: introduce process_mrelease system call

[Shakeel Butt <shakeelb@xxxxxxxxxx>]

On Thu, Jul 22, 2021 at 6:14 PM Suren Baghdasaryan <surenb@xxxxxxxxxx> wrote:
>
[...]
> +
> +       mmap_read_lock(mm);

How about mmap_read_trylock(mm) and return -EAGAIN on failure?


> +       if (!__oom_reap_task_mm(mm))
> +               ret = -EAGAIN;
> +       mmap_read_unlock(mm);
> +