Merge pull request #920 from mbukatov/drop-disable-swap

remove ability to disable swap

group_vars/all.sample

@@ -320,7 +320,6 @@ dummy:
 #############
 
 #disable_transparent_hugepage: true
-#disable_swap: false
 #os_tuning_params:
 #  - { name: kernel.pid_max, value: 4194303 }
 #  - { name: fs.file-max, value: 26234859 }

roles/ceph-common/defaults/main.yml

@@ -312,7 +312,6 @@ ceph_conf_overrides: {}
 #############
 
 disable_transparent_hugepage: true
-disable_swap: false
 os_tuning_params:
   - { name: kernel.pid_max, value: 4194303 }
   - { name: fs.file-max, value: 26234859 }

roles/ceph-common/tasks/misc/system_tuning.yml

@@ -10,12 +10,6 @@
   failed_when: false
   when: disable_transparent_hugepage
 
-- name: disable swap
-  command: swapoff -a
-  changed_when: false
-  failed_when: false
-  when: disable_swap
-
 - name: get default vm.min_free_kbytes
   command: sysctl -b vm.min_free_kbytes
   changed_when: false