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authorPatrick McHardy <kaber@trash.net>2013-04-17 06:47:05 +0000
committerDavid S. Miller <davem@davemloft.net>2013-04-19 14:57:58 -0400
commitcd1df525da59c64244d27b4548ff5d132489488a (patch)
tree13cdf72588bd1124daf8bb74f8d1d27ab060ca2b /mm
parentf9c2288837ba072b21dba955f04a4c97eaa77b1e (diff)
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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>
Diffstat (limited to 'mm')
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