On Mon, Jun 17, 2019 at 5:27 AM Christoph Hellwig <hch@lst.de> wrote:
>
> Hi Dan, Jérôme and Jason,
>
> below is a series that cleans up the dev_pagemap interface so that
> it is more easily usable, which removes the need to wrap it in hmm
> and thus allowing to kill a lot of code
>
> Note: this series is on top of the rdma/hmm branch + the dev_pagemap
> releas fix series from Dan that went into 5.2-rc5.
>
> Git tree:
>
>     git://git.infradead.org/users/hch/misc.git hmm-devmem-cleanup.2
>
> Gitweb:
>
>     http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/hmm-devmem-cleanup.2
>
> Changes since v1:
>  - rebase
>  - also switch p2pdma to the internal refcount
>  - add type checking for pgmap->type
>  - rename the migrate method to migrate_to_ram
>  - cleanup the altmap_valid flag
>  - various tidbits from the reviews

Attached is my incremental fixups on top of this series, with those
integrated you can add:

Tested-by: Dan Williams <dan.j.williams@intel.com>

...to the patches that touch kernel/memremap.c, drivers/dax, and drivers/nvdimm.

You can also add:

Reviewed-by: Dan Williams <dan.j.williams@intel.com>

...for the series.