int hugetlb_sysctl_handler(struct ctl_table *, int, struct file *, void __user *, size_t *, loff_t *);
int copy_hugetlb_page_range(struct mm_struct *, struct mm_struct *, struct vm_area_struct *);
int follow_hugetlb_page(struct mm_struct *, struct vm_area_struct *, struct page **, struct vm_area_struct **, unsigned long *, int *, int);
-void zap_hugepage_range(struct vm_area_struct *, unsigned long, unsigned long);
void unmap_hugepage_range(struct vm_area_struct *, unsigned long, unsigned long);
int hugetlb_prefault(struct address_space *, struct vm_area_struct *);
int hugetlb_report_meminfo(char *);
unsigned long hugetlb_total_pages(void);
struct page *alloc_huge_page(void);
void free_huge_page(struct page *);
+int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
+ unsigned long address, int write_access);
extern unsigned long max_huge_pages;
extern const unsigned long hugetlb_zero, hugetlb_infinity;
void hugetlb_prefault_arch_hook(struct mm_struct *mm);
#endif
-#ifndef ARCH_HAS_HUGETLB_CLEAN_STALE_PGTABLE
-#define hugetlb_clean_stale_pgtable(pte) BUG()
-#else
-void hugetlb_clean_stale_pgtable(pte_t *pte);
-#endif
-
#else /* !CONFIG_HUGETLB_PAGE */
static inline int is_vm_hugetlb_page(struct vm_area_struct *vma)
#define follow_huge_addr(mm, addr, write) ERR_PTR(-EINVAL)
#define copy_hugetlb_page_range(src, dst, vma) ({ BUG(); 0; })
#define hugetlb_prefault(mapping, vma) ({ BUG(); 0; })
-#define zap_hugepage_range(vma, start, len) BUG()
#define unmap_hugepage_range(vma, start, end) BUG()
#define is_hugepage_mem_enough(size) 0
#define hugetlb_report_meminfo(buf) 0
do { } while (0)
#define alloc_huge_page() ({ NULL; })
#define free_huge_page(p) ({ (void)(p); BUG(); })
+#define hugetlb_fault(mm, vma, addr, write) ({ BUG(); 0; })
#ifndef HPAGE_MASK
#define HPAGE_MASK 0 /* Keep the compiler happy */