show_pkey        2252 drivers/infiniband/ulp/ipoib/ipoib_main.c static DEVICE_ATTR(pkey, S_IRUGO, show_pkey, NULL);
show_pkey        3213 drivers/infiniband/ulp/srp/ib_srp.c static DEVICE_ATTR(pkey,	    S_IRUGO, show_pkey,		   NULL);