The fourth parameter of the module_param_named macro is a set of file permissions. Passing 0 there means that module parameter is not created and that adding "options ib_core force_mr=1" to a modprobe.conf file has no effect. The default setting of rdma_rw_force_mr continues to be 0, or false. Fixes: a060b5629ab0 ("IB/core: generic RDMA READ/WRITE API") Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx> --- drivers/infiniband/core/rw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/core/rw.c b/drivers/infiniband/core/rw.c index dbfd854..1cc8f07 100644 --- a/drivers/infiniband/core/rw.c +++ b/drivers/infiniband/core/rw.c @@ -23,7 +23,7 @@ enum { }; static bool rdma_rw_force_mr; -module_param_named(force_mr, rdma_rw_force_mr, bool, 0); +module_param_named(force_mr, rdma_rw_force_mr, bool, 0644); MODULE_PARM_DESC(force_mr, "Force usage of MRs for RDMA READ/WRITE operations"); /* -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html