[Xen-devel] Re: [PATCH 4/4] mm: Do not define PFN_SECTION_SHIFT if !CONFIG_SPARSEMEM

[Dave Hansen <dave@xxxxxxxxxxxxxxxxxx>]

On Mon, 2011-05-02 at 23:22 +0200, Daniel Kiper wrote:
> Do not define PFN_SECTION_SHIFT if !CONFIG_SPARSEMEM.
> 
> Signed-off-by: Daniel Kiper <dkiper@xxxxxxxxxxxx> 

I'd like if this was a bit easier to verify that it didn't break
anything.  Basically, we should probably limit direct use of
PFN_SECTION_SHIFT to inside #ifdefs in headers.

But, if something is truly using this today, it's probably broken.  It's
easy enough to work around if someone hits it, I guess.

Acked-by: Dave Hansen <dave@xxxxxxxxxxxxxxxxxx>

-- Dave


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