Re: [PATCH 2/2] mm: memcg: add cache line padding to mem_cgroup_per_node
From: Shakeel Butt
Date: Mon Jul 01 2024 - 15:17:30 EST
On Mon, Jul 01, 2024 at 06:59:32PM GMT, Roman Gushchin wrote:
> Memcg v1-specific fields serve a buffer function between read-mostly
> and update often parts of the mem_cgroup_per_node structure.
> If CONFIG_MEMCG_V1 is not set and these fields are not present,
> an explicit cacheline padding is needed.
>
> Suggested-by: Shakeel Butt <shakeel.butt@xxxxxxxxx>
> Signed-off-by: Roman Gushchin <roman.gushchin@xxxxxxxxx>
Acked-by: Shakeel Butt <shakeel.butt@xxxxxxxxx>