hugetlb-e500.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _ASM_POWERPC_NOHASH_HUGETLB_E500_H
 3#define _ASM_POWERPC_NOHASH_HUGETLB_E500_H
 4
 5void flush_hugetlb_page(struct vm_area_struct *vma, unsigned long vmaddr);
 6
 7static 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
15static 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 */