Re: [PATCH v2 03/20] ARM: LPAE: use u32 instead of unsigned long for 32-bit ptes
From: Arnd Bergmann
Date: Mon Nov 15 2010 - 04:47:56 EST
On Monday 15 November 2010 10:39:30 Catalin Marinas wrote:
> > There will be compiler warnings because u32 is unsigned int, and we
> > print it as %08lx. Generic code cases pte values to (long long) and
> > prints them using %08llx. We should do the same.
>
> We still need some kind of macro because with LPAE we need %016llx
> since the phys address can go to 40-bit and there are some additional
> bits in the top word. Unless you'd like to always print 16 characters
> even for 32-bit ptes (or if there is some other printk magic I'm not
> aware of).
Why not just %010llx? That would just be two extra characters.
Arnd
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