Enum page_table_entry::UnmapResult

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pub enum UnmapResult {
    Exclusive(UnmappedFrameRange),
    NonExclusive(FrameRange),
}
Expand description

The frames returned from the action of unmapping a page table entry. See the PageTableEntry::set_unmapped() function.

If exclusive, the contained UnmappedFrameRange can be used to deallocate frames.

If non-exclusive, the contained FrameRange is provided just for debugging feedback. Note that we use FrameRange instead of Frame because a single page table entry can map many frames, e.g., using huge pages.

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Exclusive(UnmappedFrameRange)

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NonExclusive(FrameRange)

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