linux-kernel - Re: [PATCH net-next] vmxnet3: Remove buf_info from device accessible structures

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Date:   Fri, 22 Jan 2021 09:50:06 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Ronak Doshi <doshir@...are.com>
Cc:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Petr Vandrovec <petr@...are.com>,
        Pv-drivers <Pv-drivers@...are.com>,
        "David S. Miller" <davem@...emloft.net>,
        open list <linux-kernel@...r.kernel.org>,
        Joe Perches <joe@...ches.com>
Subject: Re: [PATCH net-next] vmxnet3: Remove buf_info from device
 accessible structures

On Fri, 22 Jan 2021 08:24:59 +0000 Ronak Doshi wrote:
> On 1/21/21, 5:07 PM, "Jakub Kicinski" <kuba@...nel.org> wrote:
> >  On Tue, 19 Jan 2021 18:19:40 -0800 Ronak Doshi wrote:  
> > > +	tq->buf_info = kmalloc_array_node(tq->tx_ring.size, sizeof(tq->buf_info[0]),
> > > +					  GFP_KERNEL | __GFP_ZERO,
> > > +					  dev_to_node(&adapter->pdev->dev));  
> > > +	if (!tq->buf_info) {
> > > +		netdev_err(adapter->netdev, "failed to allocate tx buffer info\n")  
> >
> > Please drop the message, OOM splat will be visible enough. checkpatch
> > usually points this out  
> 
> Okay, will drop it. Checkpatch did not complain about the error message though.

Looks like it matches alloc_node or alloc_array, but not
alloc_array_node ?

our $allocFunctions = qr{(?x:
	(?:(?:devm_)?
		(?:kv|k|v)[czm]alloc(?:_node|_array)? |


CCing Joe in case he thinks it's worth fixing