diff --git a/arch/arm64/configs/crashdump_defconfig b/arch/arm64/configs/crashdump_defconfig
index 75866b00b403..d3c41dc8fd01 100644
--- a/arch/arm64/configs/crashdump_defconfig
+++ b/arch/arm64/configs/crashdump_defconfig
@@ -1,6 +1,5 @@
 # CONFIG_WERROR is not set
 # CONFIG_LOCALVERSION_AUTO is not set
-# CONFIG_SWAP is not set
 # CONFIG_CROSS_MEMORY_ATTACH is not set
 CONFIG_NO_HZ_IDLE=y
 CONFIG_PREEMPT=y
@@ -18,17 +17,13 @@ CONFIG_BLK_DEV_INITRD=y
 # CONFIG_RD_LZ4 is not set
 # CONFIG_RD_ZSTD is not set
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
-# CONFIG_COMPAT_BRK is not set
-# CONFIG_SLAB_MERGE_DEFAULT is not set
-# CONFIG_SLUB_CPU_PARTIAL is not set
+CONFIG_KEXEC=y
 CONFIG_ARM64_VA_BITS_48=y
 CONFIG_NR_CPUS=2
-CONFIG_CRASH_DUMP=y
 # CONFIG_RODATA_FULL_DEFAULT_ENABLED is not set
 # CONFIG_ARM64_TAGGED_ADDR_ABI is not set
 # CONFIG_ARM64_SVE is not set
 # CONFIG_EFI is not set
-# CONFIG_SUSPEND is not set
 CONFIG_JUMP_LABEL=y
 # CONFIG_SECCOMP is not set
 # CONFIG_STACKPROTECTOR is not set
@@ -37,7 +32,10 @@ CONFIG_JUMP_LABEL=y
 # CONFIG_MQ_IOSCHED_KYBER is not set
 # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
 # CONFIG_BINFMT_SCRIPT is not set
-# CONFIG_SPECULATIVE_PAGE_FAULT is not set
+# CONFIG_SWAP is not set
+# CONFIG_SLAB_MERGE_DEFAULT is not set
+# CONFIG_SLUB_CPU_PARTIAL is not set
+# CONFIG_COMPAT_BRK is not set
 CONFIG_PCI=y
 CONFIG_PCI_HOST_GENERIC=y
 CONFIG_PCI_ENDPOINT=y
diff --git a/arch/x86/configs/crashdump_defconfig b/arch/x86/configs/crashdump_defconfig
index 5177d6e4619b..f1212500c6f9 100644
--- a/arch/x86/configs/crashdump_defconfig
+++ b/arch/x86/configs/crashdump_defconfig
@@ -1,12 +1,10 @@
 # CONFIG_WERROR is not set
 # CONFIG_LOCALVERSION_AUTO is not set
 CONFIG_KERNEL_LZ4=y
-# CONFIG_SWAP is not set
 # CONFIG_CROSS_MEMORY_ATTACH is not set
 CONFIG_NO_HZ_IDLE=y
 CONFIG_PREEMPT=y
 CONFIG_LOG_BUF_SHIFT=12
-CONFIG_PRINTK_SAFE_LOG_BUF_SHIFT=12
 # CONFIG_UTS_NS is not set
 # CONFIG_TIME_NS is not set
 # CONFIG_PID_NS is not set
@@ -19,19 +17,15 @@ CONFIG_BLK_DEV_INITRD=y
 # CONFIG_RD_LZ4 is not set
 # CONFIG_RD_ZSTD is not set
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
-# CONFIG_COMPAT_BRK is not set
-# CONFIG_SLAB_MERGE_DEFAULT is not set
-# CONFIG_RETPOLINE is not set
+CONFIG_KEXEC=y
 # CONFIG_X86_EXTENDED_PLATFORM is not set
 # CONFIG_SCHED_OMIT_FRAME_POINTER is not set
 # CONFIG_X86_MCE is not set
 # CONFIG_PERF_EVENTS_AMD_UNCORE is not set
 # CONFIG_X86_IOPL_IOPERM is not set
-# CONFIG_MICROCODE is not set
 # CONFIG_X86_5LEVEL is not set
 # CONFIG_MTRR_SANITIZER is not set
 # CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS is not set
-CONFIG_CRASH_DUMP=y
 CONFIG_PHYSICAL_START=0x100000
 # CONFIG_RANDOMIZE_BASE is not set
 CONFIG_LEGACY_VSYSCALL_NONE=y
@@ -46,6 +40,9 @@ CONFIG_JUMP_LABEL=y
 # CONFIG_MQ_IOSCHED_KYBER is not set
 # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
 # CONFIG_BINFMT_SCRIPT is not set
+# CONFIG_SWAP is not set
+# CONFIG_SLAB_MERGE_DEFAULT is not set
+# CONFIG_COMPAT_BRK is not set
 # CONFIG_SPARSEMEM_VMEMMAP is not set
 # CONFIG_COMPACTION is not set
 CONFIG_PCI=y
@@ -81,7 +78,6 @@ CONFIG_VIRTIO_PCI=y
 # CONFIG_INOTIFY_USER is not set
 CONFIG_TMPFS=y
 # CONFIG_MISC_FILESYSTEMS is not set
-# CONFIG_PAGE_TABLE_ISOLATION is not set
 # CONFIG_SYMBOLIC_ERRNAME is not set
 # CONFIG_X86_VERBOSE_BOOTUP is not set
 # CONFIG_RUNTIME_TESTING_MENU is not set