Revert "disable SWAP, can cause data loss(test)"

This reverts commit 09e4801555ff16d9142e83d03c1703d1d50c44b0.
Revert "Revert "disable SWAP, can cause data loss(test)""

This reverts commit c2bf5fc6ef44ec3c9d7bf0ec23400a1f9d998e48.
Merge branch 'AeroKernel' into martincz