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authorMatt Fleming <matt@codeblueprint.co.uk>2016-03-09 14:59:08 +0000
committerIngo Molnar <mingo@kernel.org>2016-03-21 10:52:51 +0100
commitd4335581dc30ec6545999c7443bb9fead274a980 (patch)
tree35d41f13ec5e7e2f097bea13f3975381995992f6 /kernel/locking
parent3a47d5124a957358274e9ca7b115b2f3a914f56d (diff)
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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>
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