diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index cc98d5a294eee25c56209d92e38bdb08f379780d..dc12dddb40b2e199c77ed589329ecdd86f902185 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1966,7 +1966,7 @@ config RELOCATABLE
 config RANDOMIZE_BASE
 	bool "Randomize the address of the kernel image (KASLR)"
 	depends on RELOCATABLE
-	default n
+	default y
 	---help---
 	  In support of Kernel Address Space Layout Randomization (KASLR),
 	  this randomizes the physical address at which the kernel image
@@ -1996,7 +1996,7 @@ config RANDOMIZE_BASE
 	  theoretically possible, but the implementations are further
 	  limited due to memory layouts.
 
-	  If unsure, say N.
+	  If unsure, say Y.
 
 # Relocation on x86 needs some additional build support
 config X86_NEED_RELOCS
@@ -2045,7 +2045,7 @@ config RANDOMIZE_MEMORY
 	   configuration have in average 30,000 different possible virtual
 	   addresses for each memory section.
 
-	   If unsure, say N.
+	   If unsure, say Y.
 
 config RANDOMIZE_MEMORY_PHYSICAL_PADDING
 	hex "Physical memory mapping padding" if EXPERT
diff --git a/arch/x86/configs/i386_defconfig b/arch/x86/configs/i386_defconfig
index 5fa6ee2c2dde05d153f5ad3ae66438330f085999..6cf79e1a68301794f35977bf03ea190cc3caa2fd 100644
--- a/arch/x86/configs/i386_defconfig
+++ b/arch/x86/configs/i386_defconfig
@@ -57,6 +57,8 @@ CONFIG_EFI=y
 CONFIG_HZ_1000=y
 CONFIG_KEXEC=y
 CONFIG_CRASH_DUMP=y
+CONFIG_RANDOMIZE_BASE=y
+CONFIG_RANDOMIZE_MEMORY=y
 # CONFIG_COMPAT_VDSO is not set
 CONFIG_HIBERNATION=y
 CONFIG_PM_DEBUG=y
diff --git a/arch/x86/configs/x86_64_defconfig b/arch/x86/configs/x86_64_defconfig
index 7ef4a099defcda7f2d4e70fb7b3edec77361f2ec..8a9521b6a5376c7bd6c72af53e12477abe99ccea 100644
--- a/arch/x86/configs/x86_64_defconfig
+++ b/arch/x86/configs/x86_64_defconfig
@@ -55,6 +55,8 @@ CONFIG_EFI=y
 CONFIG_HZ_1000=y
 CONFIG_KEXEC=y
 CONFIG_CRASH_DUMP=y
+CONFIG_RANDOMIZE_BASE=y
+CONFIG_RANDOMIZE_MEMORY=y
 # CONFIG_COMPAT_VDSO is not set
 CONFIG_HIBERNATION=y
 CONFIG_PM_DEBUG=y