Send only one incoming notification at a time to reduce queue trashing and improve performance. Remove waitflag argument from ng_ksocket_incoming2(), it means nothing as function call was queued by netgraph. Remove node validity check, as node validity guarantied by netgraph. Update comments.
Send only one incoming notification at a time to reduce queue
trashing and improve performance.
Remove waitflag argument from ng_ksocket_incoming2(), it means nothing
as function call was queued by netgraph.
Remove node validity check, as node validity guarantied by netgraph.
Update comments.

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