diff --git a/core/dex_preopt_odex_install.mk b/core/dex_preopt_odex_install.mk
index 68c46f5..a347d05 100644
--- a/core/dex_preopt_odex_install.mk
+++ b/core/dex_preopt_odex_install.mk
@@ -151,6 +151,13 @@
 LOCAL_DEX_PREOPT_FLAGS := $(PRODUCT_DEX_PREOPT_DEFAULT_FLAGS)
 endif
 endif
+
+# Jars of system server, and apps loaded into system server should be
+# compiled with the 'speed' compiler filter.
+ifneq (,$(filter $(PRODUCT_SYSTEM_SERVER_JARS) $(PRODUCT_SYSTEM_SERVER_APPS),$(LOCAL_MODULE)))
+  LOCAL_DEX_PREOPT_FLAGS += --compiler-filter=speed
+endif
+
 $(built_odex): PRIVATE_DEX_PREOPT_FLAGS := $(LOCAL_DEX_PREOPT_FLAGS)
 $(built_vdex): $(built_odex)
 $(built_art): $(built_odex)
diff --git a/core/product.mk b/core/product.mk
index 3d20168..1e5a30e 100644
--- a/core/product.mk
+++ b/core/product.mk
@@ -112,6 +112,7 @@
     PRODUCT_SUPPORTS_VERITY_FEC \
     PRODUCT_OEM_PROPERTIES \
     PRODUCT_SYSTEM_PROPERTY_BLACKLIST \
+    PRODUCT_SYSTEM_SERVER_APPS \
     PRODUCT_SYSTEM_SERVER_JARS \
     PRODUCT_VBOOT_SIGNING_KEY \
     PRODUCT_VBOOT_SIGNING_SUBKEY \
diff --git a/target/product/core.mk b/target/product/core.mk
index c4c7cab..72a7e8d 100644
--- a/target/product/core.mk
+++ b/target/product/core.mk
@@ -61,4 +61,11 @@
     VpnDialogs \
     MmsService
 
+# The set of packages whose code can be loaded by the system server.
+PRODUCT_SYSTEM_SERVER_APPS += \
+    FusedLocation \
+    InputDevices \
+    KeyChain \
+    Telecom \
+
 $(call inherit-product, $(SRC_TARGET_DIR)/product/core_base.mk)
diff --git a/target/product/core_minimal.mk b/target/product/core_minimal.mk
index 14d4e6a..1cde844 100644
--- a/target/product/core_minimal.mk
+++ b/target/product/core_minimal.mk
@@ -110,6 +110,11 @@
     ethernet-service \
     wifi-service
 
+# The set of packages whose code can be loaded by the system server.
+PRODUCT_SYSTEM_SERVER_APPS += \
+    SettingsProvider \
+    WallpaperBackup
+
 # Adoptable external storage supports both ext4 and f2fs
 PRODUCT_PACKAGES += \
     e2fsck \
diff --git a/target/product/core_tiny.mk b/target/product/core_tiny.mk
index 319a106..2fb450d 100644
--- a/target/product/core_tiny.mk
+++ b/target/product/core_tiny.mk
@@ -105,6 +105,13 @@
     services \
     wifi-service
 
+# The set of packages whose code can be loaded by the system server.
+PRODUCT_SYSTEM_SERVER_APPS += \
+    FusedLocation \
+    InputDevices \
+    SettingsProvider \
+    WallpaperBackup \
+
 PRODUCT_DEFAULT_PROPERTY_OVERRIDES += \
     ro.zygote=zygote32
 PRODUCT_COPY_FILES += \