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

From: Shakeel Butt
Date: Thu Jul 22 2021 - 22:04:13 EST


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);
> +