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authorPierre Pfister <ppfister@cisco.com>2016-09-21 08:08:55 +0100
committerDamjan Marion <dmarion.lists@gmail.com>2016-10-03 16:19:46 +0000
commit11f9205c10b9d7227b0f8bc2da283917bc653274 (patch)
tree72c2bbe3636fe3c86ec0b375dcf0196d85279e4d /vnet/etc/scripts/rewrite
parent240977f2fb7c15d39b9640d1bfb6f10c3b1d1d9e (diff)
vhost: predict map_guest_mem returns similar results over time
It is very likely that all packets are being stored in the same memory area. It is also likely that all indirect descriptors are being allocated from the same area. This patch takes this into account by predicting the value returned by map_guest_mem will be the same as the previous one. It falls back to slow mode otherwise. Change-Id: Ic1044a172fc4abe77387ba2e19e11cd1f39ad1e3 Signed-off-by: Pierre Pfister <ppfister@cisco.com>
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