mm/huge_memory: Fix xarray node memory leak
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 v5.18.4 by commit 95c8181b4947e000f3b9b8e5918d899fce77b93d, it was introduced in version v5.17 by commit 6b24ca4a1a8d4ee3221d6d44ddbb99f542e4bda3. For more details please see the references link.