sched: Create a helper function to calculate imbalance

Move all the imbalance calculation out of find_busiest_group()
through this helper function.

With this change, the structure of find_busiest_group() will be
as follows:

- update_sched_domain_statistics.

- check if imbalance exits.

- update imbalance and return busiest.

Signed-off-by: Gautham R Shenoy <[email protected]>
Acked-by: Peter Zijlstra <[email protected]>
Cc: Suresh Siddha <[email protected]>
Cc: "Balbir Singh" <[email protected]>
Cc: Nick Piggin <[email protected]>
Cc: "Dhaval Giani" <[email protected]>
Cc: Bharata B Rao <[email protected]>
Cc: "Vaidyanathan Srinivasan" <[email protected]>
LKML-Reference: <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>

0 files changed, 0 insertions, 0 deletions