


Q: Given the following code slice:
```
CWE-401___CVE-2024-36910.c___1-12___0.c_vul.c
1 static inline void __free_pages(struct page *page, unsigned int order)
3 	if (pcp_allowed_order(order))		/* Via pcp? */
4 		free_unref_page(page, order);

```
which has a vulnerability among CWE-401 and among lines:
```
4 		free_unref_page(page, order);
```
Please generate five possible patches for the vulnerability.
A: The patch can be done in two steps.
Step 1. 