Revert to Fedora kernel-2.6.17-1.2187_FC5 patched with vs2.0.2.1; there are too many...
[linux-2.6.git] / include / linux / hugetlb.h
index c25a38d..4c5e610 100644 (file)
@@ -23,8 +23,6 @@ int hugetlb_report_node_meminfo(int, char *);
 unsigned long hugetlb_total_pages(void);
 int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma,
                        unsigned long address, int write_access);
-int hugetlb_reserve_pages(struct inode *inode, long from, long to);
-void hugetlb_unreserve_pages(struct inode *inode, long offset, long freed);
 
 extern unsigned long max_huge_pages;
 extern const unsigned long hugetlb_zero, hugetlb_infinity;
@@ -141,6 +139,8 @@ struct hugetlbfs_sb_info {
 
 struct hugetlbfs_inode_info {
        struct shared_policy policy;
+       /* Protected by the (global) hugetlb_lock */
+       unsigned long prereserved_hpages;
        struct inode vfs_inode;
 };
 
@@ -157,6 +157,10 @@ static inline struct hugetlbfs_sb_info *HUGETLBFS_SB(struct super_block *sb)
 extern const struct file_operations hugetlbfs_file_operations;
 extern struct vm_operations_struct hugetlb_vm_ops;
 struct file *hugetlb_zero_setup(size_t);
+int hugetlb_extend_reservation(struct hugetlbfs_inode_info *info,
+                              unsigned long atleast_hpages);
+void hugetlb_truncate_reservation(struct hugetlbfs_inode_info *info,
+                                 unsigned long atmost_hpages);
 int hugetlb_get_quota(struct address_space *mapping);
 void hugetlb_put_quota(struct address_space *mapping);