diff --git a/mm/mmap.c b/mm/mmap.c
index f9c7747cd9e6..f858b1f336af 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1318,7 +1318,7 @@ static inline int mlock_future_check(struct mm_struct *mm,
 static inline u64 file_mmap_size_max(struct file *file, struct inode *inode)
 {
 	if (S_ISREG(inode->i_mode))
-		return inode->i_sb->s_maxbytes;
+		return MAX_LFS_FILESIZE;
 
 	if (S_ISBLK(inode->i_mode))
 		return MAX_LFS_FILESIZE;