tree 1f59b23cb217117e18c557b3705e7a66976cbe1e
parent 595c73071e6641e59b83911fbb4026e767471000
author Dave Jiang <dave.jiang@intel.com> 1474913210 -0700
committer Dan Williams <dan.j.williams@intel.com> 1475287972 -0700

nvdimm: reduce duplicated wpq flushes

Existing implemenetation writes to all the flush hint addresses for a
given ND region. This is not necessary as the flushes are per imc and
not per DIMM. Search the mappings and clear out the duplicates at init
to avoid multiple flush to the same imc.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>