@@ -53,12 +53,7 @@ IRONIC_VM_SSH_PORT=${IRONIC_VM_SSH_PORT:-22}

 IRONIC_VM_SSH_ADDRESS=${IRONIC_VM_SSH_ADDRESS:-$HOST_IP}

 IRONIC_VM_COUNT=${IRONIC_VM_COUNT:-1}

 IRONIC_VM_SPECS_CPU=${IRONIC_VM_SPECS_CPU:-1}

-# NOTE(adam_g): Kernels 3.12 and newer user tmpfs by default for initramfs.

-#               DIB produced ramdisks tend to be ~250MB but tmpfs will only allow

-#               use of 50% of available memory before ENOSPC.  Set minimum 1GB

-#               for nodes to avoid (LP: #1311987) and ensure consistency across

-#               older and newer kernels.

-IRONIC_VM_SPECS_RAM=${IRONIC_VM_SPECS_RAM:-1024}

+IRONIC_VM_SPECS_RAM=${IRONIC_VM_SPECS_RAM:-512}

 IRONIC_VM_SPECS_DISK=${IRONIC_VM_SPECS_DISK:-10}

 IRONIC_VM_EPHEMERAL_DISK=${IRONIC_VM_EPHEMERAL_DISK:-0}

 IRONIC_VM_EMULATOR=${IRONIC_VM_EMULATOR:-/usr/bin/qemu-system-x86_64}