From 816670ca587b6812c6fe7d80f1c3a121091e8f63 2018-11-26 01:57:39
From: Unknown <xyz258@abwesend.de>
Date: 2018-11-26 01:57:39
Subject: [PATCH] zswap userland sup


---

diff --git a/bootstrap.d/13-kernel.sh b/bootstrap.d/13-kernel.sh
index cb1930b..c91b0ef 100644
--- a/bootstrap.d/13-kernel.sh
+++ b/bootstrap.d/13-kernel.sh
@@ -91,7 +91,7 @@ if [ "$BUILD_KERNEL" = true ] ; then
       cd "${KERNEL_DIR}" || exit
 
 	  # enable ZSWAP see https://askubuntu.com/a/472227 or https://wiki.archlinux.org/index.php/zswap
-      if [ "$KERNEL_ZSWAP" = true ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
+      if [ "$KERNEL_ZSWAP" = true ] ; then
         set_kernel_config CONFIG_ZPOOL y
         set_kernel_config CONFIG_ZSWAP y
         set_kernel_config CONFIG_ZBUD y
@@ -109,7 +109,7 @@ if [ "$BUILD_KERNEL" = true ] ; then
 	  fi
 	  
       # Netfilter kernel support See https://github.com/raspberrypi/linux/issues/2177#issuecomment-354647406
-	  if [ "$KERNEL_NF" = true ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
+	  if [ "$KERNEL_NF" = true ] ; then
 		set_kernel_config CONFIG_IP_NF_TARGET_SYNPROXY m
 		set_kernel_config CONFIG_NETFILTER_XT_MATCH_CGROUP m
 		set_kernel_config CONFIG_NETFILTER_XT_MATCH_IPCOMP m
@@ -216,7 +216,7 @@ if [ "$BUILD_KERNEL" = true ] ; then
       fi
 
 	  # Enables BPF syscall for systemd-journald see https://github.com/torvalds/linux/blob/master/init/Kconfig#L848 or https://groups.google.com/forum/#!topic/linux.gentoo.user/_2aSc_ztGpA
-	  if [ "$KERNEL_BPF" = true ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
+	  if [ "$KERNEL_BPF" = true ] ; then
         set_kernel_config CONFIG_BPF_SYSCALL y
 		set_kernel_config CONFIG_BPF_EVENTS y
 		set_kernel_config CONFIG_BPF_STREAM_PARSER y
diff --git a/bootstrap.d/15-rpi-config.sh b/bootstrap.d/15-rpi-config.sh
index 9e8d9ed..98d005a 100644
--- a/bootstrap.d/15-rpi-config.sh
+++ b/bootstrap.d/15-rpi-config.sh
@@ -64,12 +64,40 @@ if [ "$ENABLE_CRYPTFS" = true ] ; then
   fi
 fi
 
+if [ "$KERNEL_ZSWAP" = true ] ; then
+  # Create temporary directory for systemd-swap sources
+  temp_dir=$(as_nobody mktemp -d)
+
+  # Fetch systemd-swap sources
+  as_nobody git -C "${temp_dir}" clone "${ZSWAP_URL}"
+
+  # Copy downloaded systemd-swap sources
+  mv "${temp_dir}/systemd-swap" "${R}/tmp/"
+
+  # Set permissions of the systemd-swap sources
+  chown -R root:root "${R}/tmp/systemd-swap"
+
+  # Remove temporary directory for systemd-swap sources
+  rm -fr "${temp_dir}"
+  
+  # Change into downloaded src dir
+  cd "${R}/tmp/systemd-swap" || exit
+  
+  # Build package
+  . ./systemd-swap/package.sh debian
+  
+  # Install package
+  chroot_exec dpkg -i /tmp/systemd-swap/systemd-swap-*any.deb
+  
+  # Change back into script root dir
+  cd "${WORKDIR}" || exit
+fi
+
 #locks cpu at max frequency
 if [ "$ENABLE_TURBO" = true ] ; then
   echo "force_turbo=1" >> "${BOOT_DIR}/config.txt"
   # helps to avoid sdcard corruption when force_turbo is enabled.
   echo "boot_delay=1" >> "${BOOT_DIR}/config.txt"
-  
 fi
 
 if [ "$ENABLE_PRINTK" = true ] ; then
diff --git a/rpi23-gen-image.sh b/rpi23-gen-image.sh
index 187842e..dfd82f0 100755
--- a/rpi23-gen-image.sh
+++ b/rpi23-gen-image.sh
@@ -64,6 +64,8 @@ RPI3_64_DEF_KERNEL_URL=${RPI3_64_DEF_KERNEL_URL:=https://github.com/sakaki-/bcmr
 RPI3_64_KERNEL_URL=${RPI3_64_KERNEL_URL:=$RPI3_64_BIS_KERNEL_URL}
 BLUETOOTH_URL=${BLUETOOTH_URL:=https://github.com/RPi-Distro/pi-bluetooth.git}
 NEXMON_URL=${NEXMON_URL:=https://github.com/seemoo-lab/nexmon.git}
+ZSWAP_URL=${ZSWAP_URL:=https://github.com/Nefelim4ag/systemd-swap.git}
+
 
 # Build directories
 WORKDIR=$(pwd)