centos man page for find_busiest_group

FIND_BUSIEST_GROUP(9)						   Driver Basics					     FIND_BUSIEST_GROUP(9)

NAME
       find_busiest_group - Returns the busiest group within the sched_domain if there is an imbalance. If there isn't an imbalance, and the user
       has opted for power-savings, it returns a group whose CPUs can be put to idle by rebalancing those tasks elsewhere, if such a group exists.

SYNOPSIS
       struct sched_group * find_busiest_group(struct lb_env * env);

ARGUMENTS
       env
	   The load balancing environment.

DESCRIPTION
       Also calculates the amount of weighted load which should be moved to restore balance.

RETURN
       - The busiest group if imbalance exists. - If no imbalance and user has opted for power-savings balance, return the least loaded group
       whose CPUs can be put to idle by rebalancing its tasks onto our group.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						     FIND_BUSIEST_GROUP(9)