Andreas Kling 094b88e6a5 Kernel: Don't remap already non-writable regions when they become CoW ...

The only purpose of the remap() in Region::try_clone() is to ensure
non-writable page table entries for CoW regions. If a region is already
non-writable, there's no need to waste time updating the page tables.

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

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