diff --git a/arch/Kconfig b/arch/Kconfig
index 26b8ed11639da46..19256aa924c3b2c 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig

@@ -24,6 +24,9 @@ config KEXEC_ELF
 config HAVE_IMA_KEXEC
 	bool
 
+config ARCH_WANT_RESERVE_CRASH_KERNEL
+	bool
+
 config SET_FS
 	bool
 

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index c4207cf9bb17ffb..4b99efa36da3793 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig

@@ -95,6 +95,7 @@ config ARM64
 	select ARCH_WANT_FRAME_POINTERS
 	select ARCH_WANT_HUGE_PMD_SHARE if ARM64_4K_PAGES || (ARM64_16K_PAGES && !ARM64_VA_BITS_36)
 	select ARCH_WANT_LD_ORPHAN_WARN
+	select ARCH_WANT_RESERVE_CRASH_KERNEL if KEXEC_CORE
 	select ARCH_WANTS_NO_INSTR
 	select ARCH_HAS_UBSAN_SANITIZE_ALL
 	select ARM_AMBA

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 7399327d1eff79d..528034b4276ecf8 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig

@@ -12,6 +12,7 @@ config X86_32
 	depends on !64BIT
 	# Options that are inherently 32-bit kernel only:
 	select ARCH_WANT_IPC_PARSE_VERSION
+	select ARCH_WANT_RESERVE_CRASH_KERNEL if KEXEC_CORE
 	select CLKSRC_I8253
 	select CLONE_BACKWARDS
 	select GENERIC_VDSO_32

@@ -28,6 +29,7 @@ config X86_64
 	select ARCH_HAS_GIGANTIC_PAGE
 	select ARCH_SUPPORTS_INT128 if CC_HAS_INT128
 	select ARCH_USE_CMPXCHG_LOCKREF
+	select ARCH_WANT_RESERVE_CRASH_KERNEL if KEXEC_CORE
 	select HAVE_ARCH_SOFT_DIRTY
 	select MODULES_USE_ELF_RELA
 	select NEED_DMA_MAP_STATE

diff --git a/kernel/crash_core.c b/kernel/crash_core.c
index 4dc2643fcbccf99..b23cfc0ca8905fd 100644
--- a/kernel/crash_core.c
+++ b/kernel/crash_core.c

@@ -321,9 +321,7 @@ int __init parse_crashkernel_low(char *cmdline,
  * --------- Crashkernel reservation ------------------------------
  */
 
-#ifdef CONFIG_KEXEC_CORE
-
-#if defined(CONFIG_X86) || defined(CONFIG_ARM64)
+#ifdef CONFIG_ARCH_WANT_RESERVE_CRASH_KERNEL
 static int __init reserve_crashkernel_low(void)
 {
 #ifdef CONFIG_64BIT

@@ -451,8 +449,7 @@ void __init reserve_crashkernel(void)
 	crashk_res.start = crash_base;
 	crashk_res.end   = crash_base + crash_size - 1;
 }
-#endif
-#endif /* CONFIG_KEXEC_CORE */
+#endif /* CONFIG_ARCH_WANT_RESERVE_CRASH_KERNEL */