Kernel: Region should only cause pages within its window to be retained
A Region is meant to function as a "view" onto a VMObject, but because it currently retains the entire VMObject, it effectively causes all of the VMObject's physical pages to be retained for the lifetime of the Region.
This means that a small Region can end up retaining a huge number of physical pages, as long as they were at some point mapped into the VMObject.
SerenityOS / serenity
The Serenity Operating System 🐞
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