Re: [PATCH mm-unstable v3 4/5] mm: restart if multiple traversals raced

[T.J. Mercier]

On Tue, Aug 27, 2024 at 4:11 PM Kinsey Ho <kinseyho@xxxxxxxxxx> wrote:
>
> Currently, if multiple reclaimers raced on the same position, the
> reclaimers which detect the race will still reclaim from the same memcg.
> Instead, the reclaimers which detect the race should move on to the next
> memcg in the hierarchy.
>
> So, in the case where multiple traversals race, jump back to the start
> of the mem_cgroup_iter() function to find the next memcg in the
> hierarchy to reclaim from.
>
> Signed-off-by: Kinsey Ho <kinseyho@xxxxxxxxxx>

Reviewed-by: T.J. Mercier <tjmercier@xxxxxxxxxx>