Re: [PATCH 3/3] net-dccp: Suppress warning about large allocationsfrom DCCP

From: Arnaldo Carvalho de Melo
Date: Mon Jun 22 2009 - 22:41:02 EST

Em Mon, Jun 22, 2009 at 04:15:02PM -0700, David Miller escreveu:
> From: Mel Gorman <mel@xxxxxxxxx>
> Date: Mon, 22 Jun 2009 16:43:34 +0100
> > The DCCP protocol tries to allocate some large hash tables during
> > initialisation using the largest size possible. This can be larger than
> > what the page allocator can provide so it prints a warning. However, the
> > caller is able to handle the situation so this patch suppresses the warning.
> >
> > Signed-off-by: Mel Gorman <mel@xxxxxxxxx>
> It's probably much more appropriate to make this stuff use
> alloc_large_system_hash(), like TCP does (see net/ipv4/tcp.c
> tcp_init()).
> All of this complicated DCCP hash table size computation code will
> simply disappear. And it'll fix the warning too :-)

He mentioned that in the conversation that lead to this new patch
series, problem is that alloc_large_system_hash is __init, so when you
try to load dccp.ko it will not be available.

- Arnaldo
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