[openib-general] [PATCH 50 of 53] ipath - reduce maximum table sizes

[Bryan O'Sullivan]

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 <bos at pathscale.com>

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");