Re: cleanup the walk_page_range interface

From: Jason Gunthorpe
Date: Tue Aug 27 2019 - 19:36:45 EST


On Tue, Aug 27, 2019 at 04:34:31PM -0700, Andrew Morton wrote:
> On Tue, 27 Aug 2019 01:34:13 +0000 Jason Gunthorpe <jgg@xxxxxxxxxxxx> wrote:
>
> > On Sat, Aug 24, 2019 at 03:26:55PM -0700, Christoph Hellwig wrote:
> > > On Fri, Aug 23, 2019 at 01:43:12PM +0000, Jason Gunthorpe wrote:
> > > > > So what is the plan forward? Probably a little late for 5.3,
> > > > > so queue it up in -mm for 5.4 and deal with the conflicts in at least
> > > > > hmm? Queue it up in the hmm tree even if it doesn't 100% fit?
> > > >
> > > > Did we make a decision on this? Due to travel & LPC I'd like to
> > > > finalize the hmm tree next week.
> > >
> > > I don't think we've made any decision. I'd still love to see this
> > > in hmm.git. It has a minor conflict, but I can resend a rebased
> > > version.
> >
> > I'm looking at this.. The hmm conflict is easy enough to fix.
> >
> > But the compile conflict with these two patches in -mm requires some
> > action from Andrew:
> >
> > commit 027b9b8fd9ee3be6b7440462102ec03a2d593213
> > Author: Minchan Kim <minchan@xxxxxxxxxx>
> > Date: Sun Aug 25 11:49:27 2019 +1000
> >
> > mm: introduce MADV_PAGEOUT
> >
> > commit f227453a14cadd4727dd159782531d617f257001
> > Author: Minchan Kim <minchan@xxxxxxxxxx>
> > Date: Sun Aug 25 11:49:27 2019 +1000
> >
> > mm: introduce MADV_COLD
> >
> > Patch series "Introduce MADV_COLD and MADV_PAGEOUT", v7.
> >
> > I'm inclined to suggest you send this series in the 2nd half of the
> > merge window after this MADV stuff lands for least disruption?
>
> Just merge it, I'll figure it out. Probably by staging Minchan's
> patches after linux-next.

Okay, I'll get it on a branch and merge it toward hmm.git tomorrow

Steven, do you need the branch as well for your patch series? Let me know

Thanks,
Jason