ZS_INUSE_RATIO_99
for (fg = ZS_INUSE_RATIO_10; fg <= ZS_INUSE_RATIO_99; fg++) {
for (fg = ZS_INUSE_RATIO_99; fg >= ZS_INUSE_RATIO_10; fg--) {
for (i = ZS_INUSE_RATIO_99; i >= ZS_INUSE_RATIO_0; i--) {