Re: [PATCH -mm] mm: Unify pte_to_pgoff and pgoff_to_pte helpers

[Cyrill Gorcunov]

On Wed, Aug 14, 2013 at 01:08:56AM -0700, Andrew Morton wrote:
> > 
> > > Can it be written in C with types and proper variable names and such
> > > radical stuff?
> > 
> > Could you elaborate? You mean inline helper or macro with type checks?
> 
> /*
>  * description goes here
>  */
> static inline pteval_t pte_bfop(pteval_t val, int rightshift, ...)
> {
> 	...
> }
> 
> So much better!  We really should only implement code in a macro if it
> *has* to be done as a macro and I don't think that's the case here?

Well, I'll have to check if it really doesn't generate additional
instructions in generated code, since it's hotpath. I'll ping back
once things are done.
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