linux-kernel - Re: nfs oom on 3.15

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Message-ID: <alpine.DEB.2.02.1405050241180.11071@chino.kir.corp.google.com>
Date:	Mon, 5 May 2014 02:42:35 -0700 (PDT)
From:	David Rientjes <rientjes@...gle.com>
To:	Marc Dietrich <marvin24@....de>
cc:	linux-kernel@...r.kernel.org, linux-nfs@...r.kernel.org,
	Trond Myklebust <trond.myklebust@...marydata.com>,
	Mel Gorman <mgorman@...e.de>
Subject: Re: nfs oom on 3.15

On Mon, 5 May 2014, Marc Dietrich wrote:

> Hi,
> 
> this is spaming my log quite a bit.
> 
> Any idea?
> 

I think rpc_malloc() really wants to be __GFP_NOWARN so that the warnings 
are suppressed, doing order-1 allocations with GFP_NOWAIT is never 
guaranteed to succeed and will have difficulty if memory is fragmented.  
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