1 files changed, 25 insertions, 7 deletions

diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 5cbc620bdfe0..11ab19ac6b3d 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -20,11 +20,13 @@ static inline int is_vm_hugetlb_page(struct vm_area_struct *vma)
 }
 
 void reset_vma_resv_huge_pages(struct vm_area_struct *vma);
-int hugetlb_sysctl_handler(struct ctl_table *, int, struct file *, void __user *, size_t *, loff_t *);
-int hugetlb_overcommit_handler(struct ctl_table *, int, struct file *, void __user *, size_t *, loff_t *);
-int hugetlb_treat_movable_handler(struct ctl_table *, int, struct file *, void __user *, size_t *, loff_t *);
+int hugetlb_sysctl_handler(struct ctl_table *, int, void __user *, size_t *, loff_t *);
+int hugetlb_overcommit_handler(struct ctl_table *, int, void __user *, size_t *, loff_t *);
+int hugetlb_treat_movable_handler(struct ctl_table *, int, 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, int);
+int follow_hugetlb_page(struct mm_struct *, struct vm_area_struct *,
+                        struct page **, struct vm_area_struct **,
+                        unsigned long *, int *, int, unsigned int flags);
 void unmap_hugepage_range(struct vm_area_struct *,
                         unsigned long, unsigned long, struct page *);
 void __unmap_hugepage_range(struct vm_area_struct *,
@@ -110,6 +112,21 @@ static inline void hugetlb_report_meminfo(struct seq_file *m)
 
 #endif /* !CONFIG_HUGETLB_PAGE */
 
+#define HUGETLB_ANON_FILE "anon_hugepage"
+
+enum {
+        /*
+         * The file will be used as an shm file so shmfs accounting rules
+         * apply
+         */
+        HUGETLB_SHMFS_INODE     = 1,
+        /*
+         * The file is being created on the internal vfs mount and shmfs
+         * accounting rules do not apply
+         */
+        HUGETLB_ANONHUGE_INODE  = 2,
+};
+
 #ifdef CONFIG_HUGETLBFS
 struct hugetlbfs_config {
         uid_t   uid;
@@ -148,7 +165,7 @@ 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_file_setup(const char *name, size_t size, int acct,
-                                                struct user_struct **user);
+                                struct user_struct **user, int creat_flags);
 int hugetlb_get_quota(struct address_space *mapping, long delta);
 void hugetlb_put_quota(struct address_space *mapping, long delta);
 
@@ -170,7 +187,7 @@ static inline void set_file_hugepages(struct file *file)
 
 #define is_file_hugepages(file)                 0
 #define set_file_hugepages(file)                BUG()
-#define hugetlb_file_setup(name,size,acct,user) ERR_PTR(-ENOSYS)
+#define hugetlb_file_setup(name,size,acct,user,creat)   ERR_PTR(-ENOSYS)
 
 #endif /* !CONFIG_HUGETLBFS */
 
@@ -185,7 +202,8 @@ unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
 #define HSTATE_NAME_LEN 32
 /* Defines one hugetlb page size */
 struct hstate {
-        int hugetlb_next_nid;
+        int next_nid_to_alloc;
+        int next_nid_to_free;
         unsigned int order;
         unsigned long mask;
         unsigned long max_huge_pages;