netdev - Re: rhashtable - rhashtable_insert

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Message-ID: <57F0D824.9090406@gmx.de>
Date:   Sun, 2 Oct 2016 11:49:24 +0200
From:   Helge Deller <deller@....de>
To:     Herbert Xu <herbert@...dor.apana.org.au>
Cc:     Phil Sutter <phil@....cc>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Thomas Graf <tgraf@...g.ch>
Subject: Re: rhashtable - rhashtable_insert_fast failed

Hi Herbert,

On 08.06.2016 04:39, Herbert Xu wrote:
> On Tue, Jun 07, 2016 at 04:47:28PM +0200, Helge Deller wrote:
>> On 07.06.2016 16:16, Herbert Xu wrote:
>>> On Tue, Jun 07, 2016 at 04:13:50PM +0200, Helge Deller wrote:
>>>>
>>>> What warnings do you mean specifically? Some specific CONFIG_ option ?
>>>
>>> Look for GFP_NOWARN in lib/rhashtable.c and delete it.
>>
>> Ok, removed it.
>> It generates a kernel warning: 
> 
> Thanks.  This is exactly the problem that I'm yet to fix, namely
> we're trying to allocate a hash table that's too big to be done
> using physically contiguous memory.

I'm still seeing this problem with v4.8-rc8

Helge