Re: Re: [PATCH] futex: bugfix for futex-key conflict when futex usehugepage

[zhang . yi20]

Darren Hart <dvhart@xxxxxxxxxxxxxxx> wrote on 2013/05/16 09:30:31:

>
> pgoff_t is an unsigned long, and page_to_pfn() returns an unsigned long.
> Since compound_idx can be assigned from page_to_pfn() and it is added
> with index in the return value, unsigned long seems like a better choice
> to me. Is there a specific reason you prefer an int? It might be "fine"
> but it is likely to raise eyebrows whenever someone read through it.
>
No other specific  reason. I just think that int is enough.

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