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

From: Russell King - ARM Linux
Date: Wed Jun 01 2011 - 14:19:49 EST

On Wed, Jun 01, 2011 at 10:23:15AM -0700, David Rientjes wrote:
> On Wed, 1 Jun 2011, Dmitry Eremin-Solenikov wrote:
> > I've hit this with IrDA driver on PXA. Also I've seen the report regarding
> > other ARM platform (ep-something). Thus I've included Russell in the cc.
> >
> So you want to continue to allow the page allocator to return pages from
> anywhere, even when GFP_DMA is specified, just as though it was lowmem?

No. What *everyone* is asking for is to allow the situation which has
persisted thus far to continue for ONE MORE RELEASE but with a WARNING
so that these problems can be found without causing REGRESSIONS.

That is NOT an unreasonable request, but it seems that its far too much
to ask of you.
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