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Adding is_empty to PageTable #399

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Dec 29, 2022
Merged

Adding is_empty to PageTable #399

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6 changes: 6 additions & 0 deletions src/structures/paging/page_table.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -216,6 +216,12 @@ impl PageTable {
pub fn iter_mut(&mut self) -> impl Iterator<Item = &mut PageTableEntry> {
self.entries.iter_mut()
}

/// Checks if the page table is empty (all entries are zero).
#[inline]
pub fn is_empty(&self) -> bool {
self.entries.iter().all(|entry| entry.is_unused())
}
}

impl Index<usize> for PageTable {
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