[vm build] force Linux to drop cache before calling kvm#2717

Merged

lguohan merged 2 commits intosonic-net:masterfrom yxieca:build

Mar 29, 2019

+23-1

Commits on Mar 28, 2019

[vm build] force Linux to drop cache before calling kvm
yxieca
committed

Commits on Mar 29, 2019

[make] add option to enable/disable VS build memory preparation
yxieca
committed