Andreas Kling 5fb91e2e84 Kernel: Don't COW volatile VM objects ...

If a purgeable VM object is in the "volatile" state when we're asked
to make a COW clone of it, make life simpler by simply "purging"
the cloned object right away.

This effectively means that a fork()'ed child process will discover
its purgeable+volatile regions to be empty if/when it tries making
them non-volatile.

2021-07-25 17:28:05 +02:00

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