1 files changed, 9 insertions, 5 deletions

diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index b75bdb4deba3..ba9263e631b9 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -100,6 +100,7 @@ struct hugetlbfs_config {
         umode_t mode;
         long    nr_blocks;
         long    nr_inodes;
+        struct hstate *hstate;
 };
 
 struct hugetlbfs_sb_info {
@@ -108,6 +109,7 @@ struct hugetlbfs_sb_info {
         long    max_inodes;   /* inodes allowed */
         long    free_inodes;  /* inodes free */
         spinlock_t      stat_lock;
+        struct hstate *hstate;
 };
 
 
@@ -191,19 +193,21 @@ extern unsigned int default_hstate_idx;
 
 #define default_hstate (hstates[default_hstate_idx])
 
-static inline struct hstate *hstate_vma(struct vm_area_struct *vma)
+static inline struct hstate *hstate_inode(struct inode *i)
 {
-        return &default_hstate;
+        struct hugetlbfs_sb_info *hsb;
+        hsb = HUGETLBFS_SB(i->i_sb);
+        return hsb->hstate;
 }
 
 static inline struct hstate *hstate_file(struct file *f)
 {
-        return &default_hstate;
+        return hstate_inode(f->f_dentry->d_inode);
 }
 
-static inline struct hstate *hstate_inode(struct inode *i)
+static inline struct hstate *hstate_vma(struct vm_area_struct *vma)
 {
-        return &default_hstate;
+        return hstate_file(vma->vm_file);
 }
 
 static inline unsigned long huge_page_size(struct hstate *h)