diff --git a/configure-host-oel7/tasks/kernel_configuration.yml b/configure-host-oel7/tasks/kernel_configuration.yml
index f34136b..b128705 100755
--- a/configure-host-oel7/tasks/kernel_configuration.yml
+++ b/configure-host-oel7/tasks/kernel_configuration.yml
@@ -7,8 +7,8 @@
     with_items: 
       # shmall = 50% de la RAM pour les SGA Oracle, divisé par PAGE_SIZE (getconf PAGE_SIZE = 4096)
       - { name: kernel.shmall, value: "{{ ((0.8 * ansible_memtotal_mb)*1024*1024/4096)|round|int  }}" }
-#      - { name: kernel.shmmax, value: "{{ ((0.55 * ansible_memtotal_mb)*1024*1024)|round|int  }}" }
-      - { name: kernel.shmmax, value: 4398046511104 }
+      - { name: kernel.shmmax, value: "{{ ((0.8 * ansible_memtotal_mb)*1024*1024)|round|int  }}" }
+#      - { name: kernel.shmmax, value: 4398046511104 }
       - { name: kernel.shmmni, value: 4096 }
       - { name: kernel.sem, value: "250 32000 100 128" }
       - { name: fs.file-max, value: 6815744 }
@@ -33,7 +33,6 @@
       - "* hard nproc 16384"
       - "* soft nofile 1024"
       - "* hard nofile 65536"
-#      - "* soft memlock {{ ((0.9 * ansible_memtotal_mb)*1024)|round|int }}"
       - "* soft memlock {{ [((0.9 * ansible_memtotal_mb)*1024)|round|int,134217728] | max }}"
       - "* hard memlock {{ [((0.9 * ansible_memtotal_mb)*1024)|round|int,134217728] | max }}"
       - "* soft stack 10240"