A new low-latency system call for busy-polling of underlying devices, Announcement: http://lwn.net/Articles/551179/
Discussion: http://lwn.net/Articles/551284/ Change log: https://lkml.org/lkml/2013/6/3/65 Of interest I found this old informative article (2010) on the system control tcp_low_latency, http://hackingnasdaq.blogspot.com/2010/01/myth-of-procsysnetipv4tcplowlatency.html -- Steve-o
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