[Bug 229764] Default settings allow system to wire all ram

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=229764

--- Comment #1 from Andriy Gapon <avg at FreeBSD.org> ---
First, ARC does not have any parallel or magic mechanism to wire memory. It
uses uma(9) and those allocations go through the normal / common memory wiring
mechanism.

Second, vm.max_wired only affects memory wiring from userland (e.g. mlock(2)
calls). It cannot deny kernel memory allocations.

There is a different mechanism to stall kernel memory allocations (M_WAITOK)
when the physical memory gets low.

So, I am not sure if this proposal makes much sense.

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