On Thu, Nov 2, 2017 at 1:13 PM, Christoph Hellwig 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...
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Any chance we could add a new get_user_pages_longerm or similar
helper instead of opencoding this in the various callers?
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Until there is a solution to the dma-to-dax vs truncate problem it is
not safe to allow RDMA to create long standing memory registrations
against filesytem-dax vmas. Device-dax vmas do not have this problem and
are explicitly allowed.
This is temporary until a "memory registration with