Release 4.7 arch/powerpc/include/asm/book3s/64/pgtable-4k.h

#ifndef _ASM_POWERPC_BOOK3S_64_PGTABLE_4K_H

#define _ASM_POWERPC_BOOK3S_64_PGTABLE_4K_H
/*
 * hash 4k can't share hugetlb and also doesn't support THP
 */
#ifndef __ASSEMBLY__
#ifdef CONFIG_HUGETLB_PAGE


static inline int pmd_huge(pmd_t pmd)
{
	/*
         * leaf pte for huge page
         */
	if (radix_enabled())
		return !!(pmd_val(pmd) & _PAGE_PTE);
	return 0;
}

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static inline int pud_huge(pud_t pud)
{
	/*
         * leaf pte for huge page
         */
	if (radix_enabled())
		return !!(pud_val(pud) & _PAGE_PTE);
	return 0;
}

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static inline int pgd_huge(pgd_t pgd)
{
	/*
         * leaf pte for huge page
         */
	if (radix_enabled())
		return !!(pgd_val(pgd) & _PAGE_PTE);
	return 0;
}
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#define pgd_huge pgd_huge
/*
 * With radix , we have hugepage ptes in the pud and pmd entries. We don't
 * need to setup hugepage directory for them. Our pte and page directory format
 * enable us to have this enabled.
 */


static inline int hugepd_ok(hugepd_t hpd)
{
	if (radix_enabled())
		return 0;
	return hash__hugepd_ok(hpd);
}
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#define is_hugepd(hpd)		(hugepd_ok(hpd))
#endif /* CONFIG_HUGETLB_PAGE */
#endif /* __ASSEMBLY__ */

#endif /*_ASM_POWERPC_BOOK3S_64_PGTABLE_4K_H */
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Directory: arch/powerpc/include/asm/book3s/64

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