commit d4335581dc30ec6545999c7443bb9fead274a980
author Matt Fleming <matt@codeblueprint.co.uk> Wed Mar 09 14:59:08 2016 +0000
committer Ingo Molnar <mingo@kernel.org> Mon Mar 21 10:52:51 2016 +0100
tree 35d41f13ec5e7e2f097bea13f3975381995992f6
parent 3a47d5124a957358274e9ca7b115b2f3a914f56d

sched/fair: Add comments to explain select_idle_sibling()

It's not entirely obvious how the main loop in select_idle_sibling()
works on first glance. Sprinkle a few comments to explain the design
and intention behind the loop based on some conversations with Mike
and Peter.

Signed-off-by: Matt Fleming <matt@codeblueprint.co.uk>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mel Gorman <mgorman@suse.com>
Cc: Mike Galbraith <mgalbraith@suse.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1457535548-15329-1-git-send-email-matt@codeblueprint.co.uk
Signed-off-by: Ingo Molnar <mingo@kernel.org>