Index: head/sys/amd64/conf/GENERIC
===================================================================
--- head/sys/amd64/conf/GENERIC
+++ head/sys/amd64/conf/GENERIC
@@ -51,6 +51,7 @@
 options 	CD9660			# ISO 9660 Filesystem
 options 	PROCFS			# Process filesystem (requires PSEUDOFS)
 options 	PSEUDOFS		# Pseudo-filesystem framework
+options 	TMPFS			# Efficient memory filesystem
 options 	GEOM_RAID		# Soft RAID functionality.
 options 	GEOM_LABEL		# Provides labelization
 options 	EFIRT			# EFI Runtime Services support
Index: head/sys/arm64/conf/GENERIC
===================================================================
--- head/sys/arm64/conf/GENERIC
+++ head/sys/arm64/conf/GENERIC
@@ -50,6 +50,7 @@
 options 	CD9660			# ISO 9660 Filesystem
 options 	PROCFS			# Process filesystem (requires PSEUDOFS)
 options 	PSEUDOFS		# Pseudo-filesystem framework
+options 	TMPFS			# Efficient memory filesystem
 options 	GEOM_RAID		# Soft RAID functionality.
 options 	GEOM_LABEL		# Provides labelization
 options 	COMPAT_FREEBSD32	# Compatible with FreeBSD/arm
Index: head/sys/i386/conf/GENERIC
===================================================================
--- head/sys/i386/conf/GENERIC
+++ head/sys/i386/conf/GENERIC
@@ -50,6 +50,7 @@
 options 	CD9660			# ISO 9660 Filesystem
 options 	PROCFS			# Process filesystem (requires PSEUDOFS)
 options 	PSEUDOFS		# Pseudo-filesystem framework
+options 	TMPFS			# Efficient memory filesystem
 options 	GEOM_RAID		# Soft RAID functionality.
 options 	GEOM_LABEL		# Provides labelization
 options 	COMPAT_FREEBSD4		# Compatible with FreeBSD4
Index: head/sys/powerpc/conf/GENERIC
===================================================================
--- head/sys/powerpc/conf/GENERIC
+++ head/sys/powerpc/conf/GENERIC
@@ -57,6 +57,7 @@
 options 	CD9660			#ISO 9660 Filesystem
 options 	PROCFS			#Process filesystem (requires PSEUDOFS)
 options 	PSEUDOFS		#Pseudo-filesystem framework
+options 	TMPFS			#Efficient memory filesystem
 options 	GEOM_PART_APM		#Apple Partition Maps.
 options 	GEOM_PART_GPT		#GUID Partition Tables.
 options 	GEOM_LABEL		#Provides labelization
Index: head/sys/powerpc/conf/GENERIC64
===================================================================
--- head/sys/powerpc/conf/GENERIC64
+++ head/sys/powerpc/conf/GENERIC64
@@ -62,6 +62,7 @@
 options 	CD9660			#ISO 9660 Filesystem
 options 	PROCFS			#Process filesystem (requires PSEUDOFS)
 options 	PSEUDOFS		#Pseudo-filesystem framework
+options 	TMPFS			#Efficient memory filesystem
 options 	GEOM_PART_APM		#Apple Partition Maps.
 options 	GEOM_PART_GPT		#GUID Partition Tables.
 options 	GEOM_LABEL		#Provides labelization
Index: head/sys/riscv/conf/GENERIC
===================================================================
--- head/sys/riscv/conf/GENERIC
+++ head/sys/riscv/conf/GENERIC
@@ -47,6 +47,7 @@
 options 	CD9660			# ISO 9660 Filesystem
 options 	PROCFS			# Process filesystem (requires PSEUDOFS)
 options 	PSEUDOFS		# Pseudo-filesystem framework
+options 	TMPFS			# Efficient memory filesystem
 options 	GEOM_PART_GPT		# GUID Partition Tables.
 options 	GEOM_RAID		# Soft RAID functionality.
 options 	GEOM_LABEL		# Provides labelization