1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _ASM_POWERPC_NOHASH_HUGETLB_E500_H 3 #define _ASM_POWERPC_NOHASH_HUGETLB_E500_H 4 5 void flush_hugetlb_page(struct vm_area_struct *vma, unsigned long vmaddr); 6 7 static inline int check_and_get_huge_psize(int shift) 8 { 9 if (shift & 1) /* Not a power of 4 */ 10 return -EINVAL; 11 12 return shift_to_mmu_psize(shift); 13 } 14 15 static inline pte_t arch_make_huge_pte(pte_t entry, unsigned int shift, vm_flags_t flags) 16 { 17 unsigned int tsize = shift - _PAGE_PSIZE_SHIFT_OFFSET; 18 pte_basic_t val = (tsize << _PAGE_PSIZE_SHIFT) & _PAGE_PSIZE_MSK; 19 20 return __pte((pte_val(entry) & ~(pte_basic_t)_PAGE_PSIZE_MSK) | val); 21 } 22 #define arch_make_huge_pte arch_make_huge_pte 23 24 #endif /* _ASM_POWERPC_NOHASH_HUGETLB_E500_H */ 25