Hi Ley Foon, On Apr 18, Ley Foon Tan wrote: > +/* > + * PAGE_SHIFT determines the page size > + */ > +#define PAGE_SHIFT 12 > +#define PAGE_SIZE 4096 > +#define PAGE_MASK (~(PAGE_SIZE - 1)) > + How about something like this: /* PAGE_SHIFT determines the page size */ #define PAGE_SHIFT 12 #define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT) #define PAGE_MASK (~((1 << PAGE_SHIFT) - 1)) Otherwise, the PAGE_SIZE macro above produces some warnings, IIRC. -- Ezequiel García, Free Electrons Embedded Linux, Kernel and Android Engineering http://free-electrons.com -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html