diff --git a/build/soong/Android.bp b/build/soong/Android.bp
index 19333a9..86d5f08 100644
--- a/build/soong/Android.bp
+++ b/build/soong/Android.bp
@@ -241,6 +241,23 @@
 }
 
 soong_config_module_type {
+    name: "has_memfd_backport",
+    module_type: "cc_defaults",
+    config_namespace: "blissGlobalVars",
+    bool_variables: ["has_memfd_backport"],
+    properties: ["cppflags"],
+}
+
+has_memfd_backport {
+    name: "has_memfd_backport_defaults",
+    soong_config_variables: {
+        has_memfd_backport: {
+            cppflags: ["-DHAS_MEMFD_BACKPORT"],
+        },
+    },
+}
+
+soong_config_module_type {
     name: "bootloader_message_offset",
     module_type: "cc_defaults",
     config_namespace: "blissGlobalVars",
diff --git a/config/BoardConfigSoong.mk b/config/BoardConfigSoong.mk
index 1e912d0..075cd6c 100644
--- a/config/BoardConfigSoong.mk
+++ b/config/BoardConfigSoong.mk
@@ -32,6 +32,7 @@
     bootloader_message_offset \
     disable_postrender_cleanup \
     has_legacy_camera_hal1 \
+    has_memfd_backport \
     ignores_ftp_pptp_conntrack_failure \
     needs_netd_direct_connect_rule \
     target_init_vendor_lib \
@@ -63,6 +64,7 @@
 # Soong bool variables
 SOONG_CONFIG_blissGlobalVars_disable_postrender_cleanup := $(TARGET_DISABLE_POSTRENDER_CLEANUP)
 SOONG_CONFIG_blissGlobalVars_has_legacy_camera_hal1 := $(TARGET_HAS_LEGACY_CAMERA_HAL1)
+SOONG_CONFIG_blissGlobalVars_has_memfd_backport := $(TARGET_HAS_MEMFD_BACKPORT)
 SOONG_CONFIG_blissGlobalVars_ignores_ftp_pptp_conntrack_failure := $(TARGET_IGNORES_FTP_PPTP_CONNTRACK_FAILURE)
 SOONG_CONFIG_blissGlobalVars_needs_netd_direct_connect_rule := $(TARGET_NEEDS_NETD_DIRECT_CONNECT_RULE)
 SOONG_CONFIG_blissNvidiaVars_uses_nv_enhancements := $(NV_ANDROID_FRAMEWORK_ENHANCEMENTS)