From: Rik van Riel <riel@redhat.com>
To: atomlin@redhat.com
Cc: netdev@vger.kernel.org, davem@davemloft.net, edumazet@google.com,
pshelar@nicira.com, mst@redhat.com, alexander.h.duyck@intel.com,
aquini@redhat.com, sergei.shtylyov@cogentembedded.com,
linux-kernel@vger.kernel.org
Subject: Re: [Patch v2] skbuff: Hide GFP_ATOMIC page allocation failures for dropped packets
Date: Mon, 27 May 2013 13:39:11 -0400 [thread overview]
Message-ID: <51A39A3F.8080903@redhat.com> (raw)
In-Reply-To: <1369599557-22677-1-git-send-email-atomlin@redhat.com>
On 05/26/2013 04:19 PM, atomlin@redhat.com wrote:
> From: Aaron Tomlin <atomlin@redhat.com>
>
> Since v1:
> - Removed unnecessary parentheses
>
> ---8<---
>
> Failed GFP_ATOMIC allocations by the network stack result in dropped
> packets, which will be received on a subsequent retransmit, and an
> unnecessary, noisy warning with a kernel backtrace.
>
> These warnings are harmless, but they still cause users to panic and
> file bug reports over dropped packets. It would be better to hide the
> failed allocation warnings and backtraces, and let retransmits handle
> dropped packets quietly.
Yes please. Getting memory management bug reports for
dropped network packets got old years ago. Lets get
rid of those messages.
> Signed-off-by: Aaron Tomlin <atomlin@redhat.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
next prev parent reply other threads:[~2013-05-27 17:39 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-26 20:19 [Patch v2] skbuff: Hide GFP_ATOMIC page allocation failures for dropped packets atomlin
2013-05-27 17:39 ` Rik van Riel [this message]
2013-05-27 22:25 ` Eric Dumazet
2013-05-28 4:31 ` Joe Perches
2013-05-28 6:04 ` Eric Dumazet
2013-05-28 6:08 ` Joe Perches
2013-05-28 17:15 ` Debabrata Banerjee
2013-05-29 7:36 ` Rik van Riel
2013-05-27 17:56 ` Sergei Shtylyov
-- strict thread matches above, loose matches on Subject: below --
2013-05-26 20:45 atomlin
2013-05-27 18:18 ` Rafael Aquini
2013-05-27 22:41 ` Francois Romieu
2013-05-28 16:00 ` Ben Greear
2013-05-28 16:15 ` Rafael Aquini
2013-05-28 16:19 ` Ben Greear
2013-05-28 16:29 ` Eric Dumazet
2013-05-28 17:43 ` Rafael Aquini
2013-05-28 17:46 ` Eric Dumazet
2013-05-28 18:03 ` Eric Dumazet
2013-05-28 18:19 ` Joe Perches
2013-05-28 21:32 ` Rik van Riel
2013-05-28 17:29 ` Joe Perches
2013-05-28 21:30 ` Rik van Riel
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