Re: [PATCH net-next] drivers:net: dma_alloc_coherent: use__GFP_ZERO instead of memset(, 0)

[Joe Perches]

On Fri, 2013-03-15 at 22:51 +0000, Abodunrin, Akeem G wrote:
> -----Original Message-----
> From: netdev-owner@xxxxxxxxxxxxxxx [mailto:netdev-owner@xxxxxxxxxxxxxxx] On Behalf Of Joe Perches
[]
> Reduce the number of calls required to alloc a zeroed block of memory.
[]
> diff --git a/drivers/net/ethernet/intel/igbvf/netdev.c b/drivers/net/ethernet/intel/igbvf/netdev.c
[]
> @@ -488,7 +487,6 @@ int igbvf_setup_rx_resources(struct igbvf_adapter *adapter,
>  
>  	rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size,
>  					   &rx_ring->dma, GFP_KERNEL);
> -
>  	if (!rx_ring->desc)
>  		goto err;
> 
> Hi Joe,

Hello Akeem.

> Your changes did not seem to make it to igbvf/netdev.c - I think
> instead of removing an extra line added for code clarity, you
> want to add:
> "tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size,
>  					   &tx_ring->dma, GFP_KERNEL| __GFP_ZERO);"

Not really, there's no memset here so this
bit is just a whitespace neatening.


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/