linux-kernel - Re: [PATCH v6 02/12] mm/sparsemem: Introduce common definitions for the size and mask of a section

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Date:   Fri, 3 May 2019 08:57:09 -0400
From:   Pavel Tatashin <pasha.tatashin@...een.com>
To:     Robin Murphy <robin.murphy@....com>
Cc:     Dan Williams <dan.j.williams@...el.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Michal Hocko <mhocko@...e.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Jérôme Glisse <jglisse@...hat.com>,
        Logan Gunthorpe <logang@...tatee.com>,
        linux-mm <linux-mm@...ck.org>,
        linux-nvdimm <linux-nvdimm@...ts.01.org>,
        LKML <linux-kernel@...r.kernel.org>,
        David Hildenbrand <david@...hat.com>
Subject: Re: [PATCH v6 02/12] mm/sparsemem: Introduce common definitions for
 the size and mask of a section

On Fri, May 3, 2019 at 6:35 AM Robin Murphy <robin.murphy@....com> wrote:
>
> On 03/05/2019 01:41, Dan Williams wrote:
> > On Thu, May 2, 2019 at 7:53 AM Pavel Tatashin <pasha.tatashin@...een.com> wrote:
> >>
> >> On Wed, Apr 17, 2019 at 2:52 PM Dan Williams <dan.j.williams@...el.com> wrote:
> >>>
> >>> Up-level the local section size and mask from kernel/memremap.c to
> >>> global definitions.  These will be used by the new sub-section hotplug
> >>> support.
> >>>
> >>> Cc: Michal Hocko <mhocko@...e.com>
> >>> Cc: Vlastimil Babka <vbabka@...e.cz>
> >>> Cc: Jérôme Glisse <jglisse@...hat.com>
> >>> Cc: Logan Gunthorpe <logang@...tatee.com>
> >>> Signed-off-by: Dan Williams <dan.j.williams@...el.com>
> >>
> >> Should be dropped from this series as it has been replaced by a very
> >> similar patch in the mainline:
> >>
> >> 7c697d7fb5cb14ef60e2b687333ba3efb74f73da
> >>   mm/memremap: Rename and consolidate SECTION_SIZE
> >
> > I saw that patch fly by and acked it, but I have not seen it picked up
> > anywhere. I grabbed latest -linus and -next, but don't see that
> > commit.
> >
> > $ git show 7c697d7fb5cb14ef60e2b687333ba3efb74f73da
> > fatal: bad object 7c697d7fb5cb14ef60e2b687333ba3efb74f73da
>
> Yeah, I don't recognise that ID either, nor have I had any notifications
> that Andrew's picked up anything of mine yet :/

Sorry for the confusion. I thought I checked in a master branch, but
turns out I checked in a branch where I applied arm hotremove patches
and Robin's patch as well. These two patches are essentially the same,
so which one goes first the other should be dropped.

Reviewed-by: Pavel Tatashin <pasha.tatashin@...een.com>

Thank you,
Pasha

>
> Robin.