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Jonathan Lallinger authored
In the rds_iw_mr_pool struct the free_pinned field keeps track of memory pinned by free MRs. While this field is incremented properly upon allocation, it is never decremented upon unmapping. This would cause the rds_rdma module to crash the kernel upon unloading, by triggering the BUG_ON in the rds_iw_destroy_mr_pool function. This change keeps track of the MRs that become unpinned, so that free_pinned can be decremented appropriately. Signed-off-by:
Jonathan Lallinger <jonathan@ogc.us> Signed-off-by:
Steve Wise <swise@ogc.us> Signed-off-by:
David S. Miller <davem@davemloft.net>
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