Re: [PATCH v2 0/3] mm: page_counter: move hierarchical protection out of struct page_counter

[Michal Koutný]

Hi.

On Wed, Sep 09, 2026 at 05:44:18PM +0800, linuszeng via B4 Relay <devnull+linuszeng.tencent.com@xxxxxxxxxx> wrote:
> No functional change is intended: protection semantics and the cgroup
> v1/v2 behaviour are preserved.

It is not clear from the description what is the intention then :-)

Do you have any measurements that the reduced cache footprint
changes performance for setups without protection?
And what is the positive impact on protected scenarios where the
counters are in (possibly) different cacheline and one indirection
further?

Thanks,
Michal

Attachment: signature.asc
Description: PGP signature