Add sysctl states for vm, fs and some kernel params.

sls/sysctl/fs.sls

@@ -0,0 +1,11 @@
+{% set fs = salt['pillar.get']('sysctl:fs', {}) %}
+
+fs.file-max:
+  sysctl.present:
+    - config: '/etc/sysctl.d/fs.conf'
+    - value: {{ fs.get('file-max', 1000000) }}
+
+fs.inotify.max_user_watches:
+  sysctl.present:
+    - config: '/etc/sysctl.d/fs.conf'
+    - value: {{ fs.get('inotify.max_user_watches', 100000) }}

sls/sysctl/kernel.sls

@@ -0,0 +1,11 @@
+kernel.pid_max:
+  sysctl.present:
+    - value: 999999
+
+kernel.panic:
+  sysctl.present:
+    - value : 30
+
+kernel.sched_migration_cost_ns:
+  sysctl.present:
+    - value: 5000000

sls/sysctl/vm.sls

@@ -0,0 +1,27 @@
+{% set vm = salt['pillar.get']('sysctl:vm', {}) %}
+
+vm.swappiness:
+  sysctl.present:
+    - config: '/etc/sysctl.d/vm.conf'
+    - value: {{ vm.get('swappiness', 0) }}
+
+vm.zone_reclaim_mode:
+  sysctl.present:
+    - config: '/etc/sysctl.d/vm.conf'
+    - value: {{ vm.get('zone_reclaim_mode', 0) }}
+
+vm.dirty_bytes:
+  sysctl.present:
+    - config: '/etc/sysctl.d/vm.conf'
+    - value: {{ vm.get('dirty_bytes', 33554432) }}
+
+vm.dirty_background_bytes:
+  sysctl.present:
+    - config: '/etc/sysctl.d/vm.conf'
+    - value: {{ vm.get('dirty_background_bytes', 8388608) }}
+
+vm.min_free_kbytes:
+  sysctl.present:
+    - config: '/etc/sysctl.d/vm.conf'
+    - value: {{ vm.get('min_free_kbytes', 262144) }}
+