Re: [PATCH RFC 3/3] slub: reparent memcg caches' slabs on memcg offline

[Christoph Lameter]

On Thu, 15 May 2014, Vladimir Davydov wrote:

> I admit that's far not perfect, because kfree is really a hot path,
> where every byte of code matters, but unfortunately I don't see how we
> can avoid this in case we want slab re-parenting.

Do we even know that all objects in that slab belong to a certain cgroup?
AFAICT the fastpath currently do not allow to make that distinction.

> Again, I'd like to hear from you if there is any point in moving in this
> direction, or I should give up and concentrate on some other approach,
> because you'll never accept it.

I wish you would find some other way to do this.

--
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/