31 int hugetlb_report_node_meminfo(int, char *); |
31 int hugetlb_report_node_meminfo(int, char *); |
32 unsigned long hugetlb_total_pages(void); |
32 unsigned long hugetlb_total_pages(void); |
33 int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma, |
33 int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma, |
34 unsigned long address, int write_access); |
34 unsigned long address, int write_access); |
35 int hugetlb_reserve_pages(struct inode *inode, long from, long to, |
35 int hugetlb_reserve_pages(struct inode *inode, long from, long to, |
36 struct vm_area_struct *vma); |
36 struct vm_area_struct *vma, |
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37 int acctflags); |
37 void hugetlb_unreserve_pages(struct inode *inode, long offset, long freed); |
38 void hugetlb_unreserve_pages(struct inode *inode, long offset, long freed); |
38 |
39 |
39 extern unsigned long hugepages_treat_as_movable; |
40 extern unsigned long hugepages_treat_as_movable; |
40 extern const unsigned long hugetlb_zero, hugetlb_infinity; |
41 extern const unsigned long hugetlb_zero, hugetlb_infinity; |
41 extern int sysctl_hugetlb_shm_group; |
42 extern int sysctl_hugetlb_shm_group; |
136 return sb->s_fs_info; |
137 return sb->s_fs_info; |
137 } |
138 } |
138 |
139 |
139 extern const struct file_operations hugetlbfs_file_operations; |
140 extern const struct file_operations hugetlbfs_file_operations; |
140 extern struct vm_operations_struct hugetlb_vm_ops; |
141 extern struct vm_operations_struct hugetlb_vm_ops; |
141 struct file *hugetlb_file_setup(const char *name, size_t); |
142 struct file *hugetlb_file_setup(const char *name, size_t, int); |
142 int hugetlb_get_quota(struct address_space *mapping, long delta); |
143 int hugetlb_get_quota(struct address_space *mapping, long delta); |
143 void hugetlb_put_quota(struct address_space *mapping, long delta); |
144 void hugetlb_put_quota(struct address_space *mapping, long delta); |
144 |
145 |
145 static inline int is_file_hugepages(struct file *file) |
146 static inline int is_file_hugepages(struct file *file) |
146 { |
147 { |
156 { |
157 { |
157 file->f_op = &hugetlbfs_file_operations; |
158 file->f_op = &hugetlbfs_file_operations; |
158 } |
159 } |
159 #else /* !CONFIG_HUGETLBFS */ |
160 #else /* !CONFIG_HUGETLBFS */ |
160 |
161 |
161 #define is_file_hugepages(file) 0 |
162 #define is_file_hugepages(file) 0 |
162 #define set_file_hugepages(file) BUG() |
163 #define set_file_hugepages(file) BUG() |
163 #define hugetlb_file_setup(name,size) ERR_PTR(-ENOSYS) |
164 #define hugetlb_file_setup(name,size,acctflag) ERR_PTR(-ENOSYS) |
164 |
165 |
165 #endif /* !CONFIG_HUGETLBFS */ |
166 #endif /* !CONFIG_HUGETLBFS */ |
166 |
167 |
167 #ifdef HAVE_ARCH_HUGETLB_UNMAPPED_AREA |
168 #ifdef HAVE_ARCH_HUGETLB_UNMAPPED_AREA |
168 unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr, |
169 unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr, |
271 #define hstate_file(f) NULL |
276 #define hstate_file(f) NULL |
272 #define hstate_vma(v) NULL |
277 #define hstate_vma(v) NULL |
273 #define hstate_inode(i) NULL |
278 #define hstate_inode(i) NULL |
274 #define huge_page_size(h) PAGE_SIZE |
279 #define huge_page_size(h) PAGE_SIZE |
275 #define huge_page_mask(h) PAGE_MASK |
280 #define huge_page_mask(h) PAGE_MASK |
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281 #define vma_kernel_pagesize(v) PAGE_SIZE |
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282 #define vma_mmu_pagesize(v) PAGE_SIZE |
276 #define huge_page_order(h) 0 |
283 #define huge_page_order(h) 0 |
277 #define huge_page_shift(h) PAGE_SHIFT |
284 #define huge_page_shift(h) PAGE_SHIFT |
278 static inline unsigned int pages_per_huge_page(struct hstate *h) |
285 static inline unsigned int pages_per_huge_page(struct hstate *h) |
279 { |
286 { |
280 return 1; |
287 return 1; |