The series is to handle the full primary or secondary queue in colo-compare.

Fix the "pkt" memory leak in packet_enqueue().
Reproduce steps:
1. Setup PVM and SVM both with NIC e1000 by the steps descripted
   in the wiki qemu/COLO
2. Run "iperf3 -s" in PVM
3. Run "iperf3 -c <PVM-IP> -t 7200" in client

The memory usage of qemu-system-x86_64 increases as the PVM's QMP
shows "qemu-system-x86_64: colo compare secondary queue size too big,
drop packet".

Please help to review, thanks.

V5:
 - Replace the error_report of full queue with a trace event
 - Remove handling of the full primary or secondary queue which hurt
   network throughput too much

V4:
 - Remove redundant flush of packets

V3:
 - handling of the full primary or secondary queue according to the
   suggestion from Zhang Chen
V2:
 - Fix incorrect patch format

Derek Su (1):
  colo-compare: Fix memory leak in packet_enqueue()

 net/colo-compare.c | 23 +++++++++++++++--------
 net/trace-events   |  1 +
 2 files changed, 16 insertions(+), 8 deletions(-)

-- 
2.17.1


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