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Merged
bleggett merged 1 commit into from
Aug 28, 2025
Merged

Strip modules #117

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12 changes: 11 additions & 1 deletion hack/build/build.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,7 @@ rm -rf "${ADDONS_OUTPUT_PATH}"
rm -rf "${ADDONS_SQUASHFS_PATH}"
rm -rf "${METADATA_PATH}"

make -C "${KERNEL_OBJ}" ARCH="${TARGET_ARCH_KERNEL}" -j"${KERNEL_BUILD_JOBS}" "${CROSS_COMPILE_MAKE}" INSTALL_MOD_PATH="${MODULES_INSTALL_PATH}" modules_install
make -C "${KERNEL_OBJ}" ARCH="${TARGET_ARCH_KERNEL}" -j"${KERNEL_BUILD_JOBS}" "${CROSS_COMPILE_MAKE}" INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH="${MODULES_INSTALL_PATH}" modules_install
KERNEL_MODULES_VER="$(ls "${MODULES_INSTALL_PATH}/lib/modules")"

mkdir -p "${ADDONS_OUTPUT_PATH}"
Expand All @@ -34,6 +34,16 @@ mksquashfs "${ADDONS_OUTPUT_PATH}" "${ADDONS_SQUASHFS_PATH}" -all-root

SQUASH_SIZE=$(stat -c %s "${ADDONS_SQUASHFS_PATH}")

# Host kernel size matters less, but we still don't want it to massively balloon all of a sudden.
case "$KERNEL_FLAVOR" in
host*)
if [ "${SQUASH_SIZE}" -gt 419430400 ]; then
echo "ERROR: squashfs is >400MB in size (${SQUASH_SIZE} bytes) which is undesirable for the 'host' kernel, validate kconfig options!" >&2
exit 1
fi
;;
esac

# Generally we want to keep zone kernels small, because large kernels -> longer pull times -> increased zone cold boot times.
# We don't really care how big the host kernel is.
# Nvidia kernels have chonker firmwares, even compressed (like 200MB total size), so not much we can really do there.
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