1 files changed, 5 insertions, 0 deletions

diff --git a/mm/shmem.c b/mm/shmem.c
index 25ba75d02580..b4b56fd1e772 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2593,6 +2593,11 @@ int shmem_unuse(swp_entry_t entry, struct page *page)
         return 0;
 }
 
+int shmem_lock(struct file *file, int lock, struct user_struct *user)
+{
+        return 0;
+}
+
 #define shmem_vm_ops                            generic_file_vm_ops
 #define shmem_file_operations                   ramfs_file_operations
 #define shmem_get_inode(sb, mode, dev, flags)   ramfs_get_inode(sb, mode, dev)