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Work around unmapping user heap

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This commit is contained in:
Jeremy Soller
2020-08-02 16:33:56 -06:00
parent 220e53c24d
commit 6f3094cb2b
1 changed files with 4 additions and 3 deletions
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7
src/arch/x86_64/paging/mapper.rs
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@@ -190,10 +190,11 @@ impl Mapper {
}
if let Some(p3_frame) = p4[page.p4_index()].pointed_frame() {
//TODO: Find out why this breaks user heap
//println!("Free p3 {:?}", p3_frame);
p4.decrement_entry_count();
p4[page.p4_index()].set_unused();
deallocate_frames(p3_frame, 1);
//p4.decrement_entry_count();
//p4[page.p4_index()].set_unused();
//deallocate_frames(p3_frame, 1);
} else {
panic!("unmap_inner({:X}): p3_frame not found", page.start_address().get());
}