Re: [PATCH mm-new v3] mm/memcontrol: Add memory.stat_refresh for on-demand stats flushing

From: Tejun Heo
Date: Mon Nov 10 2025 - 11:17:13 EST


Hello,

On Mon, Nov 10, 2025 at 02:50:11PM +0100, Michal Koutný wrote:
> All in all, I'd like to have more backing data on insufficiency of (all
> the) rstat optimizations before opening explicit flushes like this
> (especially when it's meant to be exposed by BPF already).

+1. If the current behavior introduces errors too significant to ignore, I'd
much rather see it fixed from the implementation side rather than exposing
internal operation details like this.

Thanks.

--
tejun