diff --git a/buildroot-external/board/ova/kernel.config b/buildroot-external/board/ova/kernel.config
index caf2cd918..a2b28f803 100644
--- a/buildroot-external/board/ova/kernel.config
+++ b/buildroot-external/board/ova/kernel.config
@@ -1,6 +1,5 @@
 # CONFIG_LOCALVERSION_AUTO is not set
 CONFIG_KERNEL_LZ4=y
-# CONFIG_SWAP is not set
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
 CONFIG_NO_HZ=y
@@ -40,6 +39,10 @@ CONFIG_MICROCODE_AMD=y
 CONFIG_X86_MSR=y
 CONFIG_X86_CPUID=y
 CONFIG_NUMA=y
+CONFIG_CLEANCACHE=y
+CONFIG_FRONTSWAP=y
+CONFIG_ZSWAP=y
+CONFIG_Z3FOLD=y
 CONFIG_ZSMALLOC=y
 CONFIG_X86_CHECK_BIOS_CORRUPTION=y
 # CONFIG_MTRR_SANITIZER is not set