On Mon, 2007-10-15 at 19:58 -0500, Matt Mackall wrote:
quoted text
> 
> > For the bits that we want to export, we could also add the unoptimized
> > access functions for any that don't already have them:
> > 
> > #define __ClearPageReserved(page)       __clear_bit(PG_reserved, &(page)->flags)
> 
> Confused. Why are we interested in clear? 

We're not.  I just grabbed a random line to show the non-atomic
accessors.  Any actual one we'd need to add would be:

#define __PageBuddy(page)         __test_bit(PG_buddy, &(page)->flags)

It looks like we don't have any of these non-atomic ones for plain
__PageFoo().  So, we'd have to add them for each one that we wanted.
Still not much work, and still satisfies the "grep test". :)

-- Dave

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