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