Andreas Kling c6adefcfc0 Kernel: Don't bother with page tables for PROT_NONE mappings ...

When mapping or unmapping completely inaccessible memory regions,
we don't need to update the page tables at all. This saves a bunch of
time in some situations, most notably during dynamic linking, where we
make a large VM reservation and immediately throw it away. :^)

2022-01-15 19:51:16 +01:00

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