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Kernel: Remove "supervisor" bit from PhysicalPage

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Instead of each PhysicalPage knowing whether it comes from the
supervisor pages or from the user pages, we can just check in both
sets when freeing a page.

It's just a handful of pointer range checks, nothing expensive.
This commit is contained in:
Andreas Kling 2021-07-11 23:12:32 +02:00
parent ac78f1e812
commit c2792212f4
9 changed files with 39 additions and 53 deletions
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2
Kernel/VM/AnonymousVMObject.cpp
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@ -106,7 +106,7 @@ AnonymousVMObject::AnonymousVMObject(PhysicalAddress paddr, size_t size)
{
VERIFY(paddr.page_base() == paddr);
for (size_t i = 0; i < page_count(); ++i)
physical_pages()[i] = PhysicalPage::create(paddr.offset(i * PAGE_SIZE), false, false);
physical_pages()[i] = PhysicalPage::create(paddr.offset(i * PAGE_SIZE), false);
}
AnonymousVMObject::AnonymousVMObject(PhysicalPage& page)