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SubjectRe: [PATCH] Make GFP_DMA allocations w/o ZONE_DMA emit a warning instead of failing
On Fri, 10 Jun 2011, Russell King - ARM Linux wrote:

> > Should one submit a patch adding a warning to GFP_DMA allocations
> > w/o ZONE_DMA, or the idea of the original patch is wrong?
>
> Linus was far from impressed by the original commit, saying:
> | Using GFP_DMA is reasonable in a driver - on platforms where that
> | matters, it should allocate from the DMA zone, on platforms where it
> | doesn't matter it should be a no-op.
>
> So no, not even a warning.
>

Any words of wisdom for users with CONFIG_ZONE_DMA=n that actually use
drivers where they need GFP_DMA? The page allocator should just silently
return memory from anywhere?


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