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

From: Hemanth Puranik
Date: Thu May 17 2018 - 22:33:11 EST


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@xxxxxxxxxxxxxx>
---
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;

--
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