Reported by Nikolaus Schaller, Jun 28, 2014
can be easily upstreaed
Comment 1 by Marek Belisko, Jun 30, 2014
Upstream http://marc.info/?l=linux-kernel&m=140415798113679&w=2 and http://marc.info/?l=linux-kernel&m=140415801213692&w=2
Comment 2 by Marek Belisko, Aug 11, 2014
Status: pach 1 - rejected, patch 2 seem to be accepted.
Comment 3 by Nikolaus Schaller, Nov 4, 2014
Since patch 1 is IMHO not really what we want to have (it tries to reduce hdq activity but hdq is already cached), I decide that it can be dropped. Patch 2 has been accepted. So this issue can be closed.