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/* SPDX-License-Identifier: GPL-2.0 */
#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_raw(pmd) & cpu_to_be64(_PAGE_PTE));
return 0;
}
static inline int pud_huge(pud_t pud)
{
/*
* leaf pte for huge page
*/
if (radix_enabled())
return !!(pud_raw(pud) & cpu_to_be64(_PAGE_PTE));
return 0;
}
static inline int pgd_huge(pgd_t pgd)
{
/*
* leaf pte for huge page
*/
if (radix_enabled())
return !!(pgd_raw(pgd) & cpu_to_be64(_PAGE_PTE));
return 0;
}
#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);
}
#define is_hugepd(hpd) (hugepd_ok(hpd))
#else /* !CONFIG_HUGETLB_PAGE */
static inline int pmd_huge(pmd_t pmd) { return 0; }
static inline int pud_huge(pud_t pud) { return 0; }
#endif /* CONFIG_HUGETLB_PAGE */
#endif /* __ASSEMBLY__ */
#endif /*_ASM_POWERPC_BOOK3S_64_PGTABLE_4K_H */
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