tree 13cdf72588bd1124daf8bb74f8d1d27ab060ca2b
parent f9c2288837ba072b21dba955f04a4c97eaa77b1e
author Patrick McHardy <kaber@trash.net> 1366181225 +0000
committer David S. Miller <davem@davemloft.net> 1366397878 -0400

netlink: add flow control for memory mapped I/O

Add flow control for memory mapped RX. Since user-space usually doesn't
invoke recvmsg() when using memory mapped I/O, flow control is performed
in netlink_poll(). Dumps are allowed to continue if at least half of the
ring frames are unused.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>