/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_SH_HUGETLB_H #define _ASM_SH_HUGETLB_H #include <asm/cacheflush.h> #include <asm/page.h> static inline int is_hugepage_only_range(struct mm_struct *mm, unsigned long addr, unsigned long len) { return 0; } /* * If the arch doesn't supply something else, assume that hugepage * size aligned regions are ok without further preparation. */ #define __HAVE_ARCH_PREPARE_HUGEPAGE_RANGE static inline int prepare_hugepage_range(struct file *file, unsigned long addr, unsigned long len) { if (len & ~HPAGE_MASK) return -EINVAL; if (addr & ~HPAGE_MASK) return -EINVAL; return 0; } #define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep) { } static inline void arch_clear_hugepage_flags(struct page *page) { clear_bit(PG_dcache_clean, &page->flags); } #include <asm-generic/hugetlb.h> #endif /* _ASM_SH_HUGETLB_H */