PCI/P2PDMA: use the dev_pagemap internal refcount

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The functionality is identical to the one currently open coded in
p2pdma.c.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Tested-by: Logan Gunthorpe <logang@deltatee.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

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Christoph Hellwig 2019-06-26 14:27:16 +02:00 • committed by Jason Gunthorpe

parent ea31d5859f

commit d0b3517dbc

1 changed files with 4 additions and 53 deletions

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57

drivers/pci/p2pdma.c

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