linux-kernel - Re: [PATCH] net: qcom/emac: Allocate buffers from local node

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Message-Id: <20180517.155702.2252512582618641001.davem@davemloft.net>
Date:   Thu, 17 May 2018 15:57:02 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     hpuranik@...eaurora.org
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        timur@...eaurora.org
Subject: Re: [PATCH] net: qcom/emac: Allocate buffers from local node

From: Hemanth Puranik <hpuranik@...eaurora.org>
Date: Thu, 17 May 2018 13:58:00 +0530

> 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>
> ---
>  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..c3df86a 100644
> --- a/drivers/net/ethernet/qualcomm/emac/emac-mac.c
> +++ b/drivers/net/ethernet/qualcomm/emac/emac-mac.c
> @@ -684,9 +684,10 @@ static int emac_tx_q_desc_alloc(struct emac_adapter *adpt,
>  {
>  	struct emac_ring_header *ring_header = &adpt->ring_header;
>  	size_t size;
> +	int node = dev_to_node(adpt->netdev->dev.parent);

Please order local variable declarations from longest to shortest line
(ie. reverse christmas tree layout).

> @@ -725,9 +726,10 @@ static int emac_rx_descs_alloc(struct emac_adapter *adpt)
>  	struct emac_ring_header *ring_header = &adpt->ring_header;
>  	struct emac_rx_queue *rx_q = &adpt->rx_q;
>  	size_t size;
> +	int node = dev_to_node(adpt->netdev->dev.parent);

Likewise.