Re: [PATCH v5 02/16] memcg: enable accounting for IP address and routing-related objects

From: Dmitry Safonov
Date: Mon Jul 19 2021 - 10:01:01 EST


Hi Vasily,

On Mon, 19 Jul 2021 at 11:45, Vasily Averin <vvs@xxxxxxxxxxxxx> wrote:
[..]
> diff --git a/mm/memcontrol.c b/mm/memcontrol.c
> index ae1f5d0..1bbf239 100644
> --- a/mm/memcontrol.c
> +++ b/mm/memcontrol.c
> @@ -968,7 +968,7 @@ static __always_inline bool memcg_kmem_bypass(void)
> return false;
>
> /* Memcg to charge can't be determined. */
> - if (in_interrupt() || !current->mm || (current->flags & PF_KTHREAD))
> + if (!in_task() || !current->mm || (current->flags & PF_KTHREAD))
> return true;

This seems to do two separate things in one patch.
Probably, it's better to separate them.
(I may miss how route changes are related to more generic
__alloc_pages() change)

Thanks,
Dmitry