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From:   Dan Williams <dan.j.williams@intel.com>
Date:   Wed, 21 Aug 2019 20:39:32 -0700
Message-ID: <CAPcyv4iiuFD+5qNEpU9Cpg7ry-tLu2ycvLv8Hfomnuu+857sww@mail.gmail.com>
Subject: Re: [PATCH 2/4] memremap: remove the dev field in struct dev_pagemap
To:     Jason Gunthorpe <jgg@mellanox.com>
Cc:     Christoph Hellwig <hch@lst.de>,
        Bharata B Rao <bharata@linux.ibm.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Linux MM <linux-mm@kvack.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        linux-nvdimm <linux-nvdimm@lists.01.org>,
        Ira Weiny <ira.weiny@intel.com>
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On Wed, Aug 21, 2019 at 4:51 PM Jason Gunthorpe <jgg@mellanox.com> wrote:
>
> On Wed, Aug 21, 2019 at 01:24:20PM -0300, Jason Gunthorpe wrote:
> > On Tue, Aug 20, 2019 at 07:58:22PM -0700, Dan Williams wrote:
> > > On Tue, Aug 20, 2019 at 6:27 AM Jason Gunthorpe <jgg@mellanox.com> wrote:
> > > >
> > > > On Mon, Aug 19, 2019 at 06:44:02PM -0700, Dan Williams wrote:
> > > > > On Sun, Aug 18, 2019 at 2:12 AM Christoph Hellwig <hch@lst.de> wrote:
> > > > > >
> > > > > > The dev field in struct dev_pagemap is only used to print dev_name in
> > > > > > two places, which are at best nice to have.  Just remove the field
> > > > > > and thus the name in those two messages.
> > > > > >
> > > > > > Signed-off-by: Christoph Hellwig <hch@lst.de>
> > > > > > Reviewed-by: Ira Weiny <ira.weiny@intel.com>
> > > > >
> > > > > Needs the below as well.
> > > > >
> > > > > /me goes to check if he ever merged the fix to make the unit test
> > > > > stuff get built by default with COMPILE_TEST [1]. Argh! Nope, didn't
> > > > > submit it for 5.3-rc1, sorry for the thrash.
> > > > >
> > > > > You can otherwise add:
> > > > >
> > > > > Reviewed-by: Dan Williams <dan.j.williams@intel.com>
> > > > >
> > > > > [1]: https://lore.kernel.org/lkml/156097224232.1086847.9463861924683372741.stgit@dwillia2-desk3.amr.corp.intel.com/
> > > >
> > > > Can you get this merged? Do you want it to go with this series?
> > >
> > > Yeah, makes some sense to let you merge it so that you can get
> > > kbuild-robot reports about any follow-on memremap_pages() work that
> > > may trip up the build. Otherwise let me know and I'll get it queued
> > > with the other v5.4 libnvdimm pending bits.
> >
> > Done, I used it already to test build the last series from CH..
>
> It failed 0-day, I'm guessing some missing kconfig stuff
>
> For now I dropped it, but, if you send a v2 I can forward it toward
> 0-day again!

The system works!

Sorry for that thrash, I'll track it down.