+ cpufreq: Save user policy min/max instead of policy min/max during hotplug.
ported from (https://github.com/jrior001/Torched_kernel/commit/a8f54f9de24912fb8faf702a2c5f87adb59b2d60)
+ PM / hibernate: Avoid overflow in hibernate_preallocate_memory().
ported from (https://github.com/jrior001/Torched_kernel/commit/7094547c201149598a2bd90ef7f04d477dffae1b)