mce: fix setmcenospec to always unmap the whole page
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 v5.18.3 by commit 49ca50a98b3676c64a1fd02dd23989247e50b7ae, it was introduced in version v4.19 by commit 284ce4011ba60d6c487b668eea729b6294930806. For more details please see the references link.