diff options
Diffstat (limited to 'arch/parisc/include/asm/hugetlb.h')
| -rw-r--r-- | arch/parisc/include/asm/hugetlb.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/parisc/include/asm/hugetlb.h b/arch/parisc/include/asm/hugetlb.h new file mode 100644 index 000000000..f7f078c28 --- /dev/null +++ b/arch/parisc/include/asm/hugetlb.h @@ -0,0 +1,48 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_PARISC64_HUGETLB_H +#define _ASM_PARISC64_HUGETLB_H + +#include <asm/page.h> + +#define __HAVE_ARCH_HUGE_SET_HUGE_PTE_AT +void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, + pte_t *ptep, pte_t pte); + +#define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR +pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, + pte_t *ptep); + +/* + * 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; +} + +#define __HAVE_ARCH_HUGE_PTEP_SET_WRPROTECT +void huge_ptep_set_wrprotect(struct mm_struct *mm, + unsigned long addr, pte_t *ptep); + +#define __HAVE_ARCH_HUGE_PTEP_SET_ACCESS_FLAGS +int huge_ptep_set_access_flags(struct vm_area_struct *vma, + unsigned long addr, pte_t *ptep, + pte_t pte, int dirty); + +#include <asm-generic/hugetlb.h> + +#endif /* _ASM_PARISC64_HUGETLB_H */ |