add

@@ -42,35 +42,27 @@
 - name: disable transparent_hugepage
   shell: echo never > /sys/kernel/mm/transparent_hugepage/enabled
 
-- name: Test exist disable transparent_hugepage in /etc/rc.local
-  shell: 'grep "transparent_hugepage" /etc/rc.local'
-  register: test_grep
-
+ 
 - name: add disable transparent_hugepage to /etc/rc.local
   lineinfile:
     dest: /etc/rc.local
     line: 'echo never > /sys/kernel/mm/transparent_hugepage/enabled'
-  when: test_grep.stdout != ""
+    state: present
+ 
 
 # vm.overcommit_memory = 1
-- name: Test exist overcommit_memory  in /etc/sysctl.conf
-  shell: grep "overcommit_memory" /etc/sysctl.conf
-  register: test_grep_overcommit
 - name: modify overcommit_memory in /etc/sysctl.conf
   lineinfile:
     dest:  /etc/sysctl.conf
     line: 'vm.overcommit_memory = 1'
-  when: test_grep_overcommit.stdout != ""
+    state: present
 
 # net.core.somaxconn = 1024
-- name: Test exist somaxconn  in /etc/sysctl.conf
-  shell: grep "somaxconn" /etc/sysctl.conf
-  register: test_grep_somaxconn
 - name: modify somaxconn in /etc/sysctl.conf
   lineinfile:
     dest:  /etc/sysctl.conf
-    line: 'net.core.somaxconn = 1024'
-  when: test_grep_somaxconn.stdout != ""  
+    line: 'net.core.somaxconn = 1024' 
+    state: present
 
 - name: make sysctl effective now
   shell: sysctl -p