It is outdated, and there is a much more thorough comment in vm_page.h.
|82–84 ↗||(On Diff #58193)|
I'm fine with deleting the GENERAL RULES ON VM_PAGE MANIPULATION comment as stale.
However, there are similar one-line comments to "Resident memory management module." at the start of other files that we inherited from Mach. If you're going to delete one, please delete them all.