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Message-Id: <aba15cd979bc3523c0289f4766b47d3f45f32c38.1433838377.git.Allen.Hubbe@emc.com> Date: Tue, 9 Jun 2015 05:44:45 -0400 From: Allen Hubbe <Allen.Hubbe@....com> To: linux-ntb@...glegroups.com Cc: linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org, Jon Mason <jdmason@...zu.us>, Dave Jiang <dave.jiang@...el.com> Subject: [PATCH v3 18/18] NTB: Increase transport MTU to 64k from 16k From: Dave Jiang <dave.jiang@...el.com> Benchmarking showed significant performance increase going from MTU size of 64k from 16k. Changing the default. Signed-off-by: Dave Jiang <dave.jiang@...el.com> --- drivers/ntb/ntb_transport.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c index ea237aeca28c..c87bc0cbd607 100644 --- a/drivers/ntb/ntb_transport.c +++ b/drivers/ntb/ntb_transport.c @@ -76,7 +76,7 @@ static unsigned long max_mw_size; module_param(max_mw_size, ulong, 0644); MODULE_PARM_DESC(max_mw_size, "Limit size of large memory windows"); -static unsigned int transport_mtu = 0x401E; +static unsigned int transport_mtu = 0x10000; module_param(transport_mtu, uint, 0644); MODULE_PARM_DESC(transport_mtu, "Maximum size of NTB transport packets"); -- 2.4.0.rc0.43.gcf8a8c6 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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