CHOP-753: make getAvailableMemoryKB() only load data on Windows. (per Monty code review) Other platforms return -1 anyway, so don't need to call load methods.
CHOP-753: make getAvailableMemoryKB() only load data on Windows.
(per Monty code review)
Other platforms return -1 anyway, so don't need to call load methods.

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