Kernel is the default one, so I guess that u can't change governors. U need to change it. BTW I tried what u say and I haven't had any issue. Smooth as a baby aXX... Maybe u had other apps sucking your ram at the same time?
Let's put a smile on that face...
f0LL0W Th3 Wh1T3 R4Bb1T
LG G2 (D802)- Galaxy i9100 boosted with Carbon ROM 4.4.2 - HTC Desire (4.4.2 CM Kitkang powered - still rocking backup) - LG Optimus Black (selling) - Galaxy S3 Mini (son's) - Motorola Moto G (wife's) - Xiaomi Mi2S (daughter's) - Galaxy Tab 2 3110 (daughter's again) - Nexus 7 (shared with son)