[Bug 240061] MADV_FREE rewinds time to before fork()

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Wed Sep 4 20:36:32 UTC 2019


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=240061

--- Comment #8 from Konstantin Belousov <kib at FreeBSD.org> ---
So IMO the next easy step would be to add vm_object_collapse() call to increase
chances that we trimmed the inheritance chain after the fork.

As another corner case, you can check that no clipping is needed and then do
what your original (large) patch did.

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