diff --git a/include/linux/fs.h b/include/linux/fs.h
index 7a998c49a0863bcefd87f7a29fc85b11b5ed4b0e..8250811081ff09e7f0a3dd55d5d019402aeb5ffd 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -703,8 +703,7 @@ struct file_ra_state {
 					   there are only # of pages ahead */
 
 	unsigned int ra_pages;		/* Maximum readahead window */
-	unsigned long mmap_hit;		/* Cache hit stat for mmap accesses */
-	unsigned long mmap_miss;	/* Cache miss stat for mmap accesses */
+	int mmap_miss;			/* Cache miss stat for mmap accesses */
 	unsigned long prev_index;	/* Cache last read() position */
 	unsigned int prev_offset;	/* Offset where last read() ended in a page */
 };
diff --git a/mm/filemap.c b/mm/filemap.c
index 15c8413ee929200006e4eb5e8a96bf5b04f0f213..5dc18d76e7032f390aa2b1686f3ee1d9664d1e2c 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1349,7 +1349,7 @@ int filemap_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 		 * Do we miss much more than hit in this file? If so,
 		 * stop bothering with read-ahead. It will only hurt.
 		 */
-		if (ra->mmap_miss > ra->mmap_hit + MMAP_LOTSAMISS)
+		if (ra->mmap_miss > MMAP_LOTSAMISS)
 			goto no_cached_page;
 
 		/*
@@ -1375,7 +1375,7 @@ int filemap_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 	}
 
 	if (!did_readaround)
-		ra->mmap_hit++;
+		ra->mmap_miss--;
 
 	/*
 	 * We have a locked page in the page cache, now we need to check