Re: [PATCH v6 30/33] mm: memcontrol: prepare for reparenting non-hierarchical stats

From: Harry Yoo (Oracle)

Date: Tue Mar 24 2026 - 00:40:39 EST


On Tue, Mar 24, 2026 at 12:25:16PM +0800, Qi Zheng wrote:
> On 3/24/26 12:05 PM, Harry Yoo (Oracle) wrote:
> > On Tue, Mar 24, 2026 at 10:54:48AM +0800, Qi Zheng wrote:
> > > On 3/23/26 8:25 PM, Harry Yoo (Oracle) wrote:
> > > > On Mon, Mar 23, 2026 at 05:47:27PM +0800, Qi Zheng wrote:
> > >
> > > so I prefer to add a cleanup patchset to
> > > avoid interfering with the merge of this patchset.
> >
> > but it's a little bit more than a cleanup, no?
> >
> > I'd say without the followup, this patchset introduces a very subtle
> > (likely nobody would notice) functional regression visible on memcgs
> > with billions of pages.
>
> Right.
>
> > > Otherwise, sending v7 might be more appropriate.
> > I think it should be sent either as v7 or as part of v7.1-rcX.
> > (Whichever way Andrew prefers)
>
> OK, In any case I will first send out the cleanup/fix patchset for
> everyone to review.

Sounds great, thanks!

--
Cheers,
Harry / Hyeonggon