busybox: remove SYSTEM-to-RAM support, it dont improves much

Signed-off-by: Stephan Raue <stephan@openelec.tv>

packages/sysutils/busybox/package.mk

@@ -232,10 +232,6 @@ makeinstall_init() {
     touch $INSTALL/etc/fstab
     ln -sf /proc/self/mounts $INSTALL/etc/mtab
 
-    if [ -f $PROJECT_DIR/$PROJECT/initramfs/initramfs.conf ]; then
-      cp $PROJECT_DIR/$PROJECT/initramfs/initramfs.conf $INSTALL/etc
-    fi
-
   cp $PKG_DIR/scripts/init $INSTALL
   chmod 755 $INSTALL/init
 }

packages/sysutils/busybox/scripts/init

@@ -52,14 +52,6 @@
   NBD_DEVS="0"
   FLASH_FREE_MIN="5"
 
-  INSTALLED_MEMORY=`cat /proc/meminfo | grep 'MemTotal:' | awk '{print $2}'`
-  SYSTEM_TORAM_LIMIT=1024000
-
-  # load any configuration
-  if [ -f "/etc/initramfs.conf" ]; then
-    . /etc/initramfs.conf
-  fi
-
   # hide kernel log messages on console
   echo '1 4 1 7' > /proc/sys/kernel/printk
 
@@ -124,9 +116,6 @@
       nosplash)
         SPLASH=no
         ;;
-      noram)
-        SYSTEM_TORAM=no
-        ;;
       overlay)
         OVERLAY=yes
         ;;
@@ -603,13 +592,7 @@
   prepare_sysroot() {
     progress "Preparing system"
 
-    if [ "$SYSTEM_TORAM" = "no" -o "$INSTALLED_MEMORY" -lt "$SYSTEM_TORAM_LIMIT" ]; then
-      mount_part "/flash/$IMAGE_SYSTEM" "/sysroot" "ro,loop"
-    else
-      cp /flash/$IMAGE_SYSTEM /dev/$IMAGE_SYSTEM
-      mount_part "/dev/$IMAGE_SYSTEM" "/sysroot" "ro,loop"
-    fi
-
+    mount_part "/flash/$IMAGE_SYSTEM" "/sysroot" "ro,loop"
     mount --move /flash /sysroot/flash
 
     if [ -n "$disk" ]; then

projects/RPi/initramfs/initramfs.conf

@@ -1,4 +0,0 @@
-# min size to support System to RAM
-# default for RaspberryPi we set to 356MB (256MB + appr. image size (100MB) )
-# to be sure we have at least 256MB free
-  SYSTEM_TORAM_LIMIT=364544