rpi-4: describe additional build time vs. size of writable rootfs

This commit is contained in:
Mads Meisner-Jensen
2021-10-03 14:00:51 +02:00
parent 3e4d2d5a99
commit e7d38b128c

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@@ -13,7 +13,10 @@ RELEASE=${RELEASE_21_02}
# Define this if you want a larger file writable system
# The default for RPi4 is 104 (MB)
# Here we set it to 4096 (MB) which is almost 4GB.
# You must lower the value if your SD-card is smaller than that.
# Alas, the larger it is, the longer time it takes to create the image:
# 1GB takes 1m54s, 2GB takes 2m14s, 4GB takes 2m56s
# which amounts to approx 20s extra build time per GB
# You must lower the value if your SD-card is smaller than that (surely not)
CONFIG_TARGET_ROOTFS_PARTSIZE=4096