| 1234567891011121314151617181920212223242526272829303132333435363738 |
- /* SPDX-License-Identifier: GPL-2.0 */
- #ifndef _ASM_SH_HUGETLB_H
- #define _ASM_SH_HUGETLB_H
- #include <asm/cacheflush.h>
- #include <asm/page.h>
- /*
- * 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 pte_t huge_ptep_clear_flush(struct vm_area_struct *vma,
- unsigned long addr, pte_t *ptep)
- {
- return *ptep;
- }
- static inline void arch_clear_hugepage_flags(struct page *page)
- {
- clear_bit(PG_dcache_clean, &page->flags);
- }
- #define arch_clear_hugepage_flags arch_clear_hugepage_flags
- #include <asm-generic/hugetlb.h>
- #endif /* _ASM_SH_HUGETLB_H */
|
