Merge pull request #813 from cevich/addswap

Add file-backed swap to prevent OOM

contrib/test/crio-integration-playbook.yaml

@@ -76,6 +76,13 @@
     async: 600
     poll: 10
     when: ansible_distribution == 'Fedora'
+  - name: Setup swap to prevent kernel firing off the OOM killer
+    shell: |
+      truncate -s 8G /root/swap && \
+      export SWAPDEV=$(losetup --show -f /root/swap | head -1) && \
+      mkswap $SWAPDEV && \
+      swapon $SWAPDEV && \
+      swapon --show
   - name: Make testing directories to conform to testing standards
     file:
       path: "{{ item }}"