netdev - [PATCH v2] net: qcom/emac: Allocate buffers from local node

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Date:   Fri, 18 May 2018 08:59:29 +0530
From:   Hemanth Puranik <hpuranik@...eaurora.org>
To:     netdev <netdev@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Cc:     Timur Tabi <timur@...eaurora.org>,
        Hemanth Puranik <hpuranik@...eaurora.org>
Subject: [PATCH v2] net: qcom/emac: Allocate buffers from local node

Currently we use non-NUMA aware allocation for TPD and RRD buffers,
this patch modifies to use NUMA friendly allocation.

Signed-off-by: Hemanth Puranik <hpuranik@...eaurora.org>
---
Change since v1:
- Addressed comments related to ordering

 drivers/net/ethernet/qualcomm/emac/emac-mac.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/qualcomm/emac/emac-mac.c b/drivers/net/ethernet/qualcomm/emac/emac-mac.c
index 092718a..031f6e6 100644
--- a/drivers/net/ethernet/qualcomm/emac/emac-mac.c
+++ b/drivers/net/ethernet/qualcomm/emac/emac-mac.c
@@ -683,10 +683,11 @@ static int emac_tx_q_desc_alloc(struct emac_adapter *adpt,
 				struct emac_tx_queue *tx_q)
 {
 	struct emac_ring_header *ring_header = &adpt->ring_header;
+	int node = dev_to_node(adpt->netdev->dev.parent);
 	size_t size;
 
 	size = sizeof(struct emac_buffer) * tx_q->tpd.count;
-	tx_q->tpd.tpbuff = kzalloc(size, GFP_KERNEL);
+	tx_q->tpd.tpbuff = kzalloc_node(size, GFP_KERNEL, node);
 	if (!tx_q->tpd.tpbuff)
 		return -ENOMEM;
 
@@ -723,11 +724,12 @@ static void emac_rx_q_bufs_free(struct emac_adapter *adpt)
 static int emac_rx_descs_alloc(struct emac_adapter *adpt)
 {
 	struct emac_ring_header *ring_header = &adpt->ring_header;
+	int node = dev_to_node(adpt->netdev->dev.parent);
 	struct emac_rx_queue *rx_q = &adpt->rx_q;
 	size_t size;
 
 	size = sizeof(struct emac_buffer) * rx_q->rfd.count;
-	rx_q->rfd.rfbuff = kzalloc(size, GFP_KERNEL);
+	rx_q->rfd.rfbuff = kzalloc_node(size, GFP_KERNEL, node);
 	if (!rx_q->rfd.rfbuff)
 		return -ENOMEM;
 
-- 
Qualcomm Datacenter Technologies as an affiliate of Qualcomm Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the
Code Aurora Forum, a Linux Foundation Collaborative Project.