Re: [PATCH 10/15] IB/core: disable memory registration of fileystem-dax vmas

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To: Christoph Hellwig <hch@xxxxxx>
Subject: Re: [PATCH 10/15] IB/core: disable memory registration of fileystem-dax vmas
From: Dan Williams <dan.j.williams@xxxxxxxxx>
Date: Thu, 2 Nov 2017 14:06:57 -0700
Cc: "linux-nvdimm@xxxxxxxxxxxx" <linux-nvdimm@xxxxxxxxxxxx>, Sean Hefty <sean.hefty@xxxxxxxxx>, linux-xfs@xxxxxxxxxxxxxxx, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, linux-rdma <linux-rdma@xxxxxxxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, Jeff Moyer <jmoyer@xxxxxxxxxx>, "stable@xxxxxxxxxxxxxxx" <stable@xxxxxxxxxxxxxxx>, Jason Gunthorpe <jgunthorpe@xxxxxxxxxxxxxxxxxxxx>, Linux MM <linux-mm@xxxxxxxxx>, Doug Ledford <dledford@xxxxxxxxxx>, linux-fsdevel <linux-fsdevel@xxxxxxxxxxxxxxx>, Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx>, Hal Rosenstock <hal.rosenstock@xxxxxxxxx>
In-reply-to: <20171102201356.GD5732@lst.de>

On Thu, Nov 2, 2017 at 1:13 PM, Christoph Hellwig <hch@xxxxxx> wrote:
> Any chance we could add a new get_user_pages_longerm or similar
> helper instead of opencoding this in the various callers?

Sounds like a great idea to me, I'll take a look...

References:
- [PATCH 00/15] dax: prep work for fixing dax-dma vs truncate collisions
  - From: Dan Williams
- [PATCH 10/15] IB/core: disable memory registration of fileystem-dax vmas
  - From: Dan Williams
- Re: [PATCH 10/15] IB/core: disable memory registration of fileystem-dax vmas
  - From: Christoph Hellwig

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