diff --git a/sepolicy/file_contexts b/sepolicy/file_contexts
new file mode 100644
index 00000000..65e21c9a
--- /dev/null
+++ b/sepolicy/file_contexts
@@ -0,0 +1,8 @@
+/cache/dalvik-cache(/.*)? u:object_r:dalvikcache_data_file:s0
+
+#############################
+# performance-related sysfs files (CM)
+/sys/kernel/mm/ksm(/.*)?       --          u:object_r:sysfs_writable:s0
+/sys/devices/system/cpu.*/cpufreq(/.*)? --  u:object_r:sysfs_writable:s0
+/sys/block/mmcblk0/queue/scheduler  --    u:object_r:sysfs_writable:s0
+
diff --git a/sepolicy/sepolicy.mk b/sepolicy/sepolicy.mk
index 94df225b..af929d9b 100644
--- a/sepolicy/sepolicy.mk
+++ b/sepolicy/sepolicy.mk
@@ -7,5 +7,6 @@ BOARD_SEPOLICY_DIRS += \
     vendor/cm/sepolicy
 
 BOARD_SEPOLICY_UNION += \
+    file_contexts \
     seapp_contexts \
     mac_permissions.xml