This change makes lru_add_drain_all() only selectively interrupt
the cpus that have per-cpu free pages that can be drained.
This is important in nohz mode where calling mlockall(), for
example, otherwise will interrupt every core unnecessarily.
Signed-off-by: Chris Metcalf
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This change makes lru_add_drain_all() only selectively interrupt
the cpus that have per-cpu free pages that can be drained.
This is important in nohz mode where calling mlockall(), for
example, otherwise will interrupt every core unnecessarily.
Signed-off-by: Chris Metcalf cmetc...@tilera.com
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