Revert "LOAD_FREQ (4*HZ+61) avoids loadavg Moire"

This reverts commit 52d4dc719e8cace72f29fbe9d1891141d6929635.
Revert "Revert "LOAD_FREQ (4*HZ+61) avoids loadavg Moire""

This reverts commit 4320b86ecfcc3c8bca5e17649c1307da203dd758.