Some tests (mainly under ASan/UBSan) require more than 512M of memory,
so let's make it configurable (but still default to 512M).
[[ "$LOOKS_LIKE_SUSE" ]] && FSTYPE="${FSTYPE:-btrfs}" || FSTYPE="${FSTYPE:-ext4}"
UNIFIED_CGROUP_HIERARCHY="${UNIFIED_CGROUP_HIERARCHY:-default}"
EFI_MOUNT="$(bootctl -p 2>/dev/null || echo /boot)"
+QEMU_MEM="${QEMU_MEM:-512M}"
if ! ROOTLIBDIR=$(pkg-config --variable=systemdutildir systemd); then
echo "WARNING! Cannot determine rootlibdir from pkg-config, assuming /usr/lib/systemd" >&2
QEMU_OPTIONS="-smp $QEMU_SMP \
-net none \
--m 512M \
+-m $QEMU_MEM \
-nographic \
-kernel $KERNEL_BIN \
-drive format=raw,cache=unsafe,file=${TESTDIR}/rootdisk.img \