1 files changed, 1 insertions, 1 deletions

diff --git a/mm/shmem.c b/mm/shmem.c
index a36144909b28..24463b67b6ef 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2227,7 +2227,7 @@ static long shmem_fallocate(struct file *file, int mode, loff_t offset,
                         /* Remove the !PageUptodate pages we added */
                         shmem_undo_range(inode,
                                 (loff_t)start << PAGE_SHIFT,
-                                (loff_t)index << PAGE_SHIFT, true);
+                                ((loff_t)index << PAGE_SHIFT) - 1, true);
                         goto undone;
                 }