diff --git a/buildroot-external/board/ova/kernel.config b/buildroot-external/board/ova/kernel.config
index 4e44b7ab6..71bf75991 100644
--- a/buildroot-external/board/ova/kernel.config
+++ b/buildroot-external/board/ova/kernel.config
@@ -3,6 +3,7 @@ CONFIG_KERNEL_LZ4=y
 # CONFIG_SWAP is not set
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
+CONFIG_USELIB=y
 CONFIG_NO_HZ=y
 CONFIG_HIGH_RES_TIMERS=y
 CONFIG_BSD_PROCESS_ACCT=y
@@ -42,6 +43,7 @@ CONFIG_MICROCODE_AMD=y
 CONFIG_X86_MSR=y
 CONFIG_X86_CPUID=y
 CONFIG_NUMA=y
+CONFIG_ZSMALLOC=y
 CONFIG_X86_CHECK_BIOS_CORRUPTION=y
 # CONFIG_MTRR_SANITIZER is not set
 CONFIG_EFI=y
@@ -61,8 +63,8 @@ CONFIG_PCIEPORTBUS=y
 CONFIG_HOTPLUG_PCI=y
 CONFIG_PCCARD=y
 CONFIG_YENTA=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
 CONFIG_BINFMT_MISC=y
-CONFIG_IA32_EMULATION=y
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
@@ -131,7 +133,9 @@ CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_DEBUG_DEVRES=y
 CONFIG_CONNECTOR=y
 CONFIG_OF=y
-CONFIG_BLK_DEV_LOOP=y
+CONFIG_ZRAM=y
+CONFIG_BLK_DEV_LOOP=m
+CONFIG_BLK_DEV_LOOP_MIN_COUNT=4
 CONFIG_BLK_DEV_SD=y
 CONFIG_BLK_DEV_SR=y
 CONFIG_BLK_DEV_SR_VENDOR=y
@@ -145,11 +149,6 @@ CONFIG_ATA_PIIX=y
 CONFIG_PATA_AMD=y
 CONFIG_PATA_OLDPIIX=y
 CONFIG_PATA_SCH=y
-CONFIG_MD=y
-CONFIG_BLK_DEV_MD=y
-CONFIG_BLK_DEV_DM=y
-CONFIG_DM_MIRROR=y
-CONFIG_DM_ZERO=y
 CONFIG_NETDEVICES=y
 CONFIG_NETCONSOLE=y
 CONFIG_TIGON3=y
@@ -229,14 +228,11 @@ CONFIG_EEEPC_LAPTOP=y
 CONFIG_AMD_IOMMU=y
 CONFIG_INTEL_IOMMU=y
 # CONFIG_INTEL_IOMMU_DEFAULT_ON is not set
+CONFIG_DAX=y
 CONFIG_EFI_VARS=y
 CONFIG_EXT4_FS=y
 CONFIG_EXT4_FS_POSIX_ACL=y
 CONFIG_EXT4_FS_SECURITY=y
-CONFIG_QUOTA=y
-CONFIG_QUOTA_NETLINK_INTERFACE=y
-# CONFIG_PRINT_QUOTA_WARNING is not set
-CONFIG_QFMT_V2=y
 CONFIG_AUTOFS4_FS=y
 CONFIG_OVERLAY_FS=y
 CONFIG_ISO9660_FS=y
@@ -277,5 +273,5 @@ CONFIG_CRYPTO_CCM=y
 CONFIG_CRYPTO_GCM=y
 CONFIG_CRYPTO_CMAC=y
 CONFIG_CRYPTO_ARC4=y
+CONFIG_CRYPTO_LZ4=y
 # CONFIG_VIRTUALIZATION is not set
-CONFIG_XZ_DEC=y
diff --git a/buildroot-external/configs/ova_defconfig b/buildroot-external/configs/ova_defconfig
index 439c15ab2..ba876a937 100644
--- a/buildroot-external/configs/ova_defconfig
+++ b/buildroot-external/configs/ova_defconfig
@@ -46,6 +46,7 @@ BR2_PACKAGE_RAUC_NETWORK=y
 # BR2_PACKAGE_SYSTEMD_NETWORKD is not set
 BR2_PACKAGE_SYSTEMD_RANDOMSEED=y
 # BR2_PACKAGE_SYSTEMD_RESOLVED is not set
+BR2_PACKAGE_UTIL_LINUX_ZRAMCTL=y
 BR2_TARGET_ROOTFS_SQUASHFS=y
 BR2_TARGET_ROOTFS_SQUASHFS4_LZ4=y
 # BR2_TARGET_ROOTFS_TAR is not set