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| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
|---|---|
| 2 | #ifndef _ASM_SH_HUGETLB_H |
| 3 | #define _ASM_SH_HUGETLB_H |
| 4 | |
| 5 | #include <asm/cacheflush.h> |
| 6 | #include <asm/page.h> |
| 7 | |
| 8 | /* |
| 9 | * If the arch doesn't supply something else, assume that hugepage |
| 10 | * size aligned regions are ok without further preparation. |
| 11 | */ |
| 12 | #define __HAVE_ARCH_PREPARE_HUGEPAGE_RANGE |
| 13 | static inline int prepare_hugepage_range(struct file *file, |
| 14 | unsigned long addr, unsigned long len) |
| 15 | { |
| 16 | if (len & ~HPAGE_MASK) |
| 17 | return -EINVAL; |
| 18 | if (addr & ~HPAGE_MASK) |
| 19 | return -EINVAL; |
| 20 | return 0; |
| 21 | } |
| 22 | |
| 23 | #define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH |
| 24 | static inline pte_t huge_ptep_clear_flush(struct vm_area_struct *vma, |
| 25 | unsigned long addr, pte_t *ptep) |
| 26 | { |
| 27 | return *ptep; |
| 28 | } |
| 29 | |
| 30 | static inline void arch_clear_hugepage_flags(struct page *page) |
| 31 | { |
| 32 | clear_bit(PG_dcache_clean, &page->flags); |
| 33 | } |
| 34 | #define arch_clear_hugepage_flags arch_clear_hugepage_flags |
| 35 | |
| 36 | #include <asm-generic/hugetlb.h> |
| 37 | |
| 38 | #endif /* _ASM_SH_HUGETLB_H */ |
| 39 |
Warning: This file is not a C or C++ file. It does not have highlighting.