diff --git a/build/soong/Android.bp b/build/soong/Android.bp
index 022e75d..602d862 100644
--- a/build/soong/Android.bp
+++ b/build/soong/Android.bp
@@ -102,6 +102,23 @@
 }
 
 soong_config_module_type {
+    name: "gralloc_handle_reserved_size",
+    module_type: "cc_defaults",
+    config_namespace: "blissGlobalVars",
+    bool_variables: ["gralloc_handle_has_reserved_size"],
+    properties: ["export_cflags"],
+}
+
+gralloc_handle_reserved_size {
+    name: "gralloc_handle_has_reserved_size_defaults",
+    soong_config_variables: {
+        gralloc_handle_has_reserved_size: {
+            export_cflags: ["-DGRALLOC_HANDLE_HAS_RESERVED_SIZE"],
+        },
+    },
+}
+
+soong_config_module_type {
     name: "target_shim_libs",
     module_type: "cc_defaults",
     config_namespace: "blissGlobalVars",
diff --git a/config/BoardConfigSoong.mk b/config/BoardConfigSoong.mk
index 8a33c31..17dbf62 100644
--- a/config/BoardConfigSoong.mk
+++ b/config/BoardConfigSoong.mk
@@ -42,7 +42,8 @@
     target_process_sdk_version_override \
     target_surfaceflinger_udfps_lib \
     uses_camera_parameter_lib \
-    uses_egl_display_array
+    uses_egl_display_array \
+    gralloc_handle_has_reserved_size \
 
 SOONG_CONFIG_NAMESPACES += blissNvidiaVars
 SOONG_CONFIG_blissNvidiaVars += \
@@ -79,11 +80,13 @@
 SOONG_CONFIG_blissQcomVars_uses_pre_uplink_features_netmgrd := $(TARGET_USES_PRE_UPLINK_FEATURES_NETMGRD)
 SOONG_CONFIG_blissQcomVars_uses_qcom_bsp_legacy := $(TARGET_USES_QCOM_BSP_LEGACY)
 SOONG_CONFIG_blissQcomVars_uses_qti_camera_device := $(TARGET_USES_QTI_CAMERA_DEVICE)
+SOONG_CONFIG_blissGlobalVars_gralloc_handle_has_reserved_size := $(TARGET_GRALLOC_HANDLE_HAS_RESERVED_SIZE)
 SOONG_CONFIG_blissQcomVars_needs_camera_boottime_timestamp := $(TARGET_CAMERA_BOOTTIME_TIMESTAMP)
 
 # Set default values
 BOOTLOADER_MESSAGE_OFFSET ?= 0
 TARGET_ADDITIONAL_GRALLOC_10_USAGE_BITS ?= 0
+TARGET_GRALLOC_HANDLE_HAS_RESERVED_SIZE ?= false
 TARGET_INIT_VENDOR_LIB ?= vendor_init
 TARGET_INPUTDISPATCHER_SKIP_EVENT_KEY ?= 0
 TARGET_SPECIFIC_CAMERA_PARAMETER_LIBRARY ?= libcamera_parameters