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Re: [PATCH 1/7] Add various hugetlb arm high level hooks |
On Mon, Feb 13, 2012 at 09:44:22AM +0000, Bill Carson wrote: > diff --git a/arch/arm/include/asm/page.h b/arch/arm/include/asm/page.h > index 97b440c..3e6769a 100644 > --- a/arch/arm/include/asm/page.h > +++ b/arch/arm/include/asm/page.h > @@ -15,6 +15,21 @@ > #define PAGE_SIZE (_AC(1,UL) << PAGE_SHIFT) > #define PAGE_MASK (~(PAGE_SIZE-1)) > > +#ifdef CONFIG_HUGEPAGE_SIZE_2MB > +/* we have 2MB hugepage for two 1MB section mapping */ > +#define HPAGE_SHIFT (SECTION_SHIFT + 1) > +#define HPAGE_SIZE (_AC(1, UL) << HPAGE_SHIFT) > +#define HPAGE_MASK (~(HPAGE_SIZE - 1)) > +#define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT) > +#endif > + > +#ifdef CONFIG_HUGEPAGE_SIZE_16MB > +#define HPAGE_SHIFT SUPERSECTION_SHIFT > +#define HPAGE_SIZE (_AC(1, UL) << HPAGE_SHIFT) > +#define HPAGE_MASK (~(HPAGE_SIZE - 1)) > +#define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT) > +#endif Ah, you still have these just config time options. Can you not make an hpage_shift variable like PowerPC or IA-64? (I haven't yet reviewed the rest of the code) -- Catalin _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
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