Re: [PATCH] Make GFP_DMA allocations w/o ZONE_DMA emit a warninginstead of failing

From: Cyril Hrubis
Date: Sun Jun 12 2011 - 07:33:27 EST


Hi!
> > > > Please be more polite to other people. After a197b59ae6 all allocations
> > > > with GFP_DMA set on nodes without ZONE_DMA fail nearly silently (only
> > > > one warning during bootup is emited, no matter how many things fail).
> > > > This is a very crude change on behaviour. To be more civil, instead of
> > > > failing emit noisy warnings each time smbd. tries to allocate a GFP_DMA
> > > > memory on non-ZONE_DMA node.
> > > >
> > > > This change should be reverted after one or two major releases, but
> > > > we should be more accurate rather than hoping for the best.
> > >
> > > Instaed of, shouldn't we revert a197b59ae6? Some arch don't have
> > > DMA_ZONE at all.
> > > and a197b59ae6 only care x86 embedded case. If we accept your patch, I
> > > can imagine
> > > other people will claim warn foold is a bug. ;)
> >
> > I believe we should revert. It broke zaurus boot for metan...
>
> Is it still a problem, or has it been fixed in the meantime?
>

This was revered in 3.0-rc2.

--
metan
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