ladybird

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Files

Andreas Kling a0bb592b4f Kernel: Allow zero-fill page faults on kernel-only pages

We were short-circuiting the page fault handler a little too eagerly
for page-not-present faults in kernel memory.
If the current page directory already has up-to-date mapps for kernel
memory, allow it to progress to checking for zero-fill conditions.

This will enable us to have lazily populated kernel regions.

2019-08-06 15:06:31 +02:00

MemoryManager.cpp

Kernel: Allow zero-fill page faults on kernel-only pages

2019-08-06 15:06:31 +02:00

MemoryManager.h

Kernel: Add mapping from page directory base (PDB) to PageDirectory

2019-08-06 11:30:26 +02:00

PageDirectory.cpp

Kernel: Add mapping from page directory base (PDB) to PageDirectory

2019-08-06 11:30:26 +02:00

PageDirectory.h

Kernel: Add mapping from page directory base (PDB) to PageDirectory