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SubjectRe: nfs oom on 3.15
On Mon, 5 May 2014 02:42:35 -0700 (PDT)
David Rientjes <rientjes@google.com> wrote:

> 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.


Yes. We made a similar fix to xprt_alloc_slot a while back. The RPC
engine has a mechanism to handle retrying these allocations, so this
warning isn't particularly helpful.

--
Jeff Layton <jlayton@poochiereds.net>


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