open-mpi/ompi-release — pull request #133 by alex-mikheev (2014-12-16 14:47:06+00:00)
Title: OSHMEM: atomic mxm: fix mkey conversion

Correctly return mxm_empty_mem_key when shmem mkey is empty
(cherry picked from commit open-mpi/ompi@c76261da0749b2f93ee1a425baa4cc36ce2e1bef)