Re: [PATCH 4/6] staging: android/lowmemorykiller: Better mmhandling

[Oleg Nesterov]

On 02/06, Anton Vorontsov wrote:
>
> LMK should not directly check for task->mm. The reason is that the
> process' threads may exit or detach its mm via use_mm(), but other
> threads may still have a valid mm. To catch this we use
> find_lock_task_mm(), which walks up all threads and returns an
> appropriate task (with lock held).

Reviewed-by: Oleg Nesterov <oleg@xxxxxxxxxx>

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/