[RFC][PATCH 1/2] mm: cma: Export cma symbols for cma heap as a module

John Stultz john.stultz at linaro.org
Mon Oct 28 18:39:03 UTC 2019


On Mon, Oct 28, 2019 at 12:46 AM Christoph Hellwig <hch at infradead.org> wrote:
>
> On Fri, Oct 25, 2019 at 11:48:33PM +0000, John Stultz wrote:
> >  struct cma *dma_contiguous_default_area;
> > +EXPORT_SYMBOL(dma_contiguous_default_area);
>
> Please CC the dma maintainer.  And no, you have no business using this.

Sure thing. And I'll look again to see why I was needing to pull that
one in to get it to build.

> Even if you did, internals like this should always be EXPORT_SYMBOL_GPL.

Certainly! My mistake here!

Thanks for the feedback!
-john


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