From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756193AbbBJNxn (ORCPT ); Tue, 10 Feb 2015 08:53:43 -0500 Received: from youngberry.canonical.com ([91.189.89.112]:38389 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755825AbbBJNxm (ORCPT ); Tue, 10 Feb 2015 08:53:42 -0500 Message-ID: <54DA0D17.7070403@canonical.com> Date: Tue, 10 Feb 2015 13:52:23 +0000 From: Colin Ian King User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.4.0 MIME-Version: 1.0 To: Kalle Valo , Eric Dumazet CC: Larry Finger , Chaoming Li , linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] rtlwifi: ratelimit skb allocation failure message References: <1423558471-27278-1-git-send-email-colin.king@canonical.com> <1423574228.28434.22.camel@edumazet-glaptop2.roam.corp.google.com> <87a90lop1x.fsf@kamboji.qca.qualcomm.com> In-Reply-To: <87a90lop1x.fsf@kamboji.qca.qualcomm.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/02/15 13:48, Kalle Valo wrote: > Eric Dumazet writes: > >> On Tue, 2015-02-10 at 08:54 +0000, Colin King wrote: >>> From: Colin Ian King >>> >>> 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 >>> --- >>> 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/ > Thanks!