mm,hugetlb: take hugetlblock before decrementing h->resvhuge_pages
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v4.19.264 by commit 2b35432d324898ec41beb27031d2a1a864a4d40e, it was introduced in version v4.4 by commit a88c769548047b21f76fd71e04b6a3300ff17160. For more details please see the references link.