diff --git a/mm/Kconfig b/mm/Kconfig
index fe6c22bc562c..5c61895faa01 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -736,6 +736,13 @@ config DEVICE_PRIVATE
 	  memory; i.e., memory that is only accessible from the device (or
 	  group of devices). You likely also want to select HMM_MIRROR.
 
+config MMAP_READAROUND_LIMIT
+	int "Limit mmap readaround upperbond"
+	default 0
+	help
+		Inappropriate mmap readaround size can hurt device performance
+		during the sluggish situation. Add the hard upper-limit for
+		mmap readaround
 config FRAME_VECTOR
 	bool
 
diff --git a/mm/filemap.c b/mm/filemap.c
index a40325c67251..7fdae5f71937 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -2560,6 +2560,7 @@ static struct file *do_sync_mmap_readahead(struct vm_fault *vmf)
 	struct address_space *mapping = file->f_mapping;
 	struct file *fpin = NULL;
 	pgoff_t offset = vmf->pgoff;
+	unsigned int ra_pages;
 
 	/* If we don't want any read-ahead, don't bother */
 	if (vmf->vma_flags & VM_RAND_READ)
@@ -2588,10 +2589,20 @@ static struct file *do_sync_mmap_readahead(struct vm_fault *vmf)
 	/*
 	 * mmap read-around
 	 */
+
+#if CONFIG_MMAP_READAROUND_LIMIT == 0
+	ra_pages = ra->ra_pages;
+#else
+	if (ra->ra_pages > CONFIG_MMAP_READAROUND_LIMIT)
+		ra_pages = CONFIG_MMAP_READAROUND_LIMIT < 0 ? 0 : CONFIG_MMAP_READAROUND_LIMIT;
+	else
+		ra_pages = ra->ra_pages;
+#endif
+
 	fpin = maybe_unlock_mmap_for_io(vmf, fpin);
-	ra->start = max_t(long, 0, offset - ra->ra_pages / 2);
-	ra->size = ra->ra_pages;
-	ra->async_size = ra->ra_pages / 4;
+	ra->start = max_t(long, 0, offset - ra_pages / 2);
+	ra->size = ra_pages;
+	ra->async_size = ra_pages / 4;
 	ra_submit(ra, mapping, file);
 	return fpin;
 }