Decrease the number of WRs and SGEs we support from 131071/255 to
16383/60. This decreases our maximum memory usage per QP from ~1800MB
down to about 40MB. This is still a lot, but it's better than 2GB.
Signed-off-by: Bryan O'Sullivan <[email protected]>
diff -r 40532fdc53f0 -r bd1de2e983db drivers/infiniband/hw/ipath/ipath_verbs.c
--- a/drivers/infiniband/hw/ipath/ipath_verbs.c Fri May 12 15:55:29 2006 -0700
+++ b/drivers/infiniband/hw/ipath/ipath_verbs.c Fri May 12 15:55:29 2006 -0700
@@ -73,12 +73,12 @@ module_param_named(max_cqs, ib_ipath_max
module_param_named(max_cqs, ib_ipath_max_cqs, uint, S_IWUSR | S_IRUGO);
MODULE_PARM_DESC(max_cqs, "Maximum number of completion queues to support");
-unsigned int ib_ipath_max_qp_wrs = 0x1FFFF;
+unsigned int ib_ipath_max_qp_wrs = 0x3FFF;
module_param_named(max_qp_wrs, ib_ipath_max_qp_wrs, uint,
S_IWUSR | S_IRUGO);
MODULE_PARM_DESC(max_qp_wrs, "Maximum number of QP WRs to support");
-unsigned int ib_ipath_max_sges = 0xFF;
+unsigned int ib_ipath_max_sges = 0x60;
module_param_named(max_sges, ib_ipath_max_sges, uint, S_IWUSR | S_IRUGO);
MODULE_PARM_DESC(max_sges, "Maximum number of SGEs to support");
-
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