commit | 24917f6b1041a73993178920656e13364f847995 | [log] [tgz] |
---|---|---|
author | Christoph Hellwig <hch@lst.de> | Wed Jun 26 14:27:14 2019 +0200 |
committer | Jason Gunthorpe <jgg@mellanox.com> | Tue Jul 02 14:32:44 2019 -0300 |
tree | 3257cca350460fae4d73b136b5de7c1c91d4915a | |
parent | 514caf23a70fd697fa2ece238b2cd8dcc73fb16f [diff] |
memremap: provide an optional internal refcount in struct dev_pagemap Provide an internal refcounting logic if no ->ref field is provided in the pagemap passed into devm_memremap_pages so that callers don't have to reinvent it poorly. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Ira Weiny <ira.weiny@intel.com> Reviewed-by: Dan Williams <dan.j.williams@intel.com> Tested-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>