From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Chan Subject: [PATCH net 5/5] bnxt_en: Reduce default ring sizes. Date: Wed, 10 Feb 2016 17:33:50 -0500 Message-ID: <1455143630-30140-6-git-send-email-mchan@broadcom.com> References: <1455143630-30140-1-git-send-email-mchan@broadcom.com> Cc: netdev@vger.kernel.org To: davem@davemloft.net Return-path: Received: from 5520-maca-inet1-outside.broadcom.com ([216.31.211.11]:45680 "EHLO mail-irv-18.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750953AbcBJWdw (ORCPT ); Wed, 10 Feb 2016 17:33:52 -0500 In-Reply-To: <1455143630-30140-1-git-send-email-mchan@broadcom.com> Sender: netdev-owner@vger.kernel.org List-ID: The current default tx ring size of 512 causes an extra page to be allocated for the tx ring with only 1 entry in it. Reduce it to 511. The default rx ring size is also reduced to 511 to use less memory by default. Signed-off-by: Michael Chan --- drivers/net/ethernet/broadcom/bnxt/bnxt.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index 9b4866c..2be51b3 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -411,8 +411,8 @@ struct rx_tpa_end_cmp_ext { #define BNXT_NUM_TESTS(bp) 0 -#define BNXT_DEFAULT_RX_RING_SIZE 1023 -#define BNXT_DEFAULT_TX_RING_SIZE 512 +#define BNXT_DEFAULT_RX_RING_SIZE 511 +#define BNXT_DEFAULT_TX_RING_SIZE 511 #define MAX_TPA 64 -- 1.8.3.1