Re: [PATCH] rtlwifi: ratelimit skb allocation failure message

[Kalle Valo]

Eric Dumazet <eric.dumazet@xxxxxxxxx> writes:

> On Tue, 2015-02-10 at 08:54 +0000, Colin King wrote:
>> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>> 
>> when running low on memory I noticed rtlwifi was producing a large
>> quantity of repeated skb allocation failures messages.  This should
>> be ratelimited to reduce the noise.
>> 
>> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>> ---
>>  drivers/net/wireless/rtlwifi/pci.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>> 
>> diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c
>> index c70efb9..ca0fd50 100644
>> --- a/drivers/net/wireless/rtlwifi/pci.c
>> +++ b/drivers/net/wireless/rtlwifi/pci.c
>> @@ -817,7 +817,7 @@ static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw)
>>  		/* get a new skb - if fail, old one will be reused */
>>  		new_skb = dev_alloc_skb(rtlpci->rxbuffersize);
>>  		if (unlikely(!new_skb)) {
>> -			pr_err("Allocation of new skb failed in %s\n",
>> +			pr_err_ratelimited("Allocation of new skb failed in %s\n",
>>  			       __func__);
>
> Or even better, remove the message.

There's actually a pending patch for that, I'll send it to Dave ASAP:

https://patchwork.kernel.org/patch/5671121/

-- 
Kalle Valo
--
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/