Re: [PATCH 0/3] mm,thp,rmap: rework the use of subpages_mapcount

From: Andrew Morton
Date: Fri Nov 18 2022 - 17:24:31 EST


On Fri, 18 Nov 2022 14:10:32 -0800 (PST) Hugh Dickins <hughd@xxxxxxxxxx> wrote:

> On Fri, 18 Nov 2022, Andrew Morton wrote:
> > On Fri, 18 Nov 2022 12:51:09 -0800 (PST) Hugh Dickins <hughd@xxxxxxxxxx> wrote:
> >
> > > But the first series has not yet graduated from mm-unstable,
> > > so if Andrew and/or Kirill also prefer to have them combined into one
> > > bit_spin_lock-less series, that I can do. (And the end result should be
> > > identical, so would not complicate Johannes's lock_page_memcg() excision.)
> >
> > I'd prefer that approach.
>
> I think you're saying that you prefer the other approach, to keep the
> two series separate (second immediately after the first, or not, doesn't
> matter), rather than combined into one bit_spin_lock-less series.
> Please clarify! Thanks,

Yes, two separate series. Apologies for the confuddling.