Re: [PATCH 1/3] memcg: extract memcg_vmstats from struct mem_cgroup

Michal Koutný
2022-09-09T00:26:49Z

Hi.

On Wed, Sep 07, 2022 at 04:35:35AM +0000, Shakeel Butt <shakeelb@google.com> wrote:
> This is a preparatory patch to reduce the memory overhead of memory
> cgroup. The struct memcg_vmstats is the largest object embedded into the
> struct mem_cgroup.
> This patch extracts struct memcg_vmstats from struct
> mem_cgroup to ease the following patches in reducing the size of struct
> memcg_vmstats.

Is the reason for the extraction just moving things away from the header
file?
Or is the separate allocation+indirection somehow beneficial wrt, e.g.
fragmentation?

Thanks,
Michal