Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752369AbbHSWiP (ORCPT ); Wed, 19 Aug 2015 18:38:15 -0400 Received: from mga01.intel.com ([192.55.52.88]:28770 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750993AbbHSWiM convert rfc822-to-8bit (ORCPT ); Wed, 19 Aug 2015 18:38:12 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.15,712,1432623600"; d="scan'208";a="787361433" From: "Patil, Kiran" To: Jiang Liu , Andrew Morton , Mel Gorman , David Rientjes , Mike Galbraith , "Peter Zijlstra" , "Wysocki, Rafael J" , Tang Chen , Tejun Heo , "Kirsher, Jeffrey T" , "Brandeburg, Jesse" , "Nelson, Shannon" , "Wyborny, Carolyn" , "Skidmore, Donald C" , "Vick, Matthew" , "Ronciak, John" , "Williams, Mitch A" CC: "Luck, Tony" , "netdev@vger.kernel.org" , "x86@kernel.org" , "linux-hotplug@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-mm@kvack.org" , "intel-wired-lan@lists.osuosl.org" Subject: RE: [Intel-wired-lan] [Patch V3 5/9] i40e: Use numa_mem_id() to better support memoryless node Thread-Topic: [Intel-wired-lan] [Patch V3 5/9] i40e: Use numa_mem_id() to better support memoryless node Thread-Index: AQHQ2R756Q8lGxeaa0WXaBd+jy53mp4T7JwQ Date: Wed, 19 Aug 2015 22:38:09 +0000 Message-ID: <4197C471DCF8714FBA1FE32565271C148FFFF4D3@ORSMSX103.amr.corp.intel.com> References: <1439781546-7217-1-git-send-email-jiang.liu@linux.intel.com> <1439781546-7217-6-git-send-email-jiang.liu@linux.intel.com> In-Reply-To: <1439781546-7217-6-git-send-email-jiang.liu@linux.intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.22.254.140] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2271 Lines: 44 Acked-by: Kiran Patil -----Original Message----- From: Intel-wired-lan [mailto:intel-wired-lan-bounces@lists.osuosl.org] On Behalf Of Jiang Liu Sent: Sunday, August 16, 2015 8:19 PM To: Andrew Morton; Mel Gorman; David Rientjes; Mike Galbraith; Peter Zijlstra; Wysocki, Rafael J; Tang Chen; Tejun Heo; Kirsher, Jeffrey T; Brandeburg, Jesse; Nelson, Shannon; Wyborny, Carolyn; Skidmore, Donald C; Vick, Matthew; Ronciak, John; Williams, Mitch A Cc: Luck, Tony; netdev@vger.kernel.org; x86@kernel.org; linux-hotplug@vger.kernel.org; linux-kernel@vger.kernel.org; linux-mm@kvack.org; intel-wired-lan@lists.osuosl.org; Jiang Liu Subject: [Intel-wired-lan] [Patch V3 5/9] i40e: Use numa_mem_id() to better support memoryless node Function i40e_clean_rx_irq() tries to reuse memory pages allocated from the nearest node. To better support memoryless node, use numa_mem_id() instead of numa_node_id() to get the nearest node with memory. This change should only affect performance. Signed-off-by: Jiang Liu --- drivers/net/ethernet/intel/i40e/i40e_txrx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c index 9a4f2bc70cd2..a8f618cb8eb0 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c @@ -1516,7 +1516,7 @@ static int i40e_clean_rx_irq_ps(struct i40e_ring *rx_ring, int budget) unsigned int total_rx_bytes = 0, total_rx_packets = 0; u16 rx_packet_len, rx_header_len, rx_sph, rx_hbo; u16 cleaned_count = I40E_DESC_UNUSED(rx_ring); - const int current_node = numa_node_id(); + const int current_node = numa_mem_id(); struct i40e_vsi *vsi = rx_ring->vsi; u16 i = rx_ring->next_to_clean; union i40e_rx_desc *rx_desc; -- 1.7.10.4 _______________________________________________ Intel-wired-lan mailing list Intel-wired-lan@lists.osuosl.org http://lists.osuosl.org/mailman/listinfo/intel-wired-lan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/