I've yet to find any desktop workload that benefits from anything higher than a swappiness as low as possible. Unfortunately setting it to zero can rarely lead to unexplained stalls in the VM so use 10.

-ck

Conflicts:
	mm/vmscan.c
on a mobile phone,time required for the current task needs to be kept as short as possible,so if we use ktime we reduce the amount of time needed for the lmk to free memory with
use Asynchronus LMK compaction