1 files changed, 9 insertions, 2 deletions

diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index f23237135163..1dcc57189382 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -497,8 +497,15 @@ static void hugetlbfs_evict_inode(struct inode *inode)
         struct resv_map *resv_map;
 
         remove_inode_hugepages(inode, 0, LLONG_MAX);
-        resv_map = (struct resv_map *)inode->i_mapping->private_data;
-        /* root inode doesn't have the resv_map, so we should check it */
+
+        /*
+         * Get the resv_map from the address space embedded in the inode.
+         * This is the address space which points to any resv_map allocated
+         * at inode creation time.  If this is a device special inode,
+         * i_mapping may not point to the original address space.
+         */
+        resv_map = (struct resv_map *)(&inode->i_data)->private_data;
+        /* Only regular and link inodes have associated reserve maps */
         if (resv_map)
                 resv_map_release(&resv_map->refs);
         clear_inode(inode);