From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eli Cohen Subject: [PATCH] mlx4: Extend log_mtts_per_seg range Date: Mon, 20 Sep 2010 08:42:38 +0200 Message-ID: <20100920064238.GA9223@mtldesk30> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Roland Dreier Cc: RDMA list , pradeeps-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org List-Id: linux-rdma@vger.kernel.org As there are now machines with more physical memory, we need to be able to register more memory. This patch lifts the upper limit of log_mtts_per_seg from 5 to 7, increasing the amount of memory that can be registered. Signed-off-by: Eli Cohen --- drivers/net/mlx4/main.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c index 5102ab1..4f6a859 100644 --- a/drivers/net/mlx4/main.c +++ b/drivers/net/mlx4/main.c @@ -103,7 +103,7 @@ MODULE_PARM_DESC(use_prio, "Enable steering by VLAN priority on ETH ports " static int log_mtts_per_seg = ilog2(MLX4_MTT_ENTRY_PER_SEG); module_param_named(log_mtts_per_seg, log_mtts_per_seg, int, 0444); -MODULE_PARM_DESC(log_mtts_per_seg, "Log2 number of MTT entries per segment (1-5)"); +MODULE_PARM_DESC(log_mtts_per_seg, "Log2 number of MTT entries per segment (1-7)"); int mlx4_check_port_params(struct mlx4_dev *dev, enum mlx4_port_type *port_type) @@ -1304,7 +1304,7 @@ static int __init mlx4_verify_params(void) return -1; } - if ((log_mtts_per_seg < 1) || (log_mtts_per_seg > 5)) { + if ((log_mtts_per_seg < 1) || (log_mtts_per_seg > 7)) { pr_warning("mlx4_core: bad log_mtts_per_seg: %d\n", log_mtts_per_seg); return -1; } -- 1.7.2.2 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html