具体细节如下:
ubuntu@linux-lab://labs/linux-lab$ make source APP=all

Downloading kernel source ...

Initialized empty Git repository in /labs/linux-lab/src/linux-stable/.git/
remote: Enumerating objects: 895, done.
remote: Counting objects: 100% (895/895), done.
remote: Compressing objects: 100% (528/528), done.
fatal: Out of memory, calloc failed
fatal: index-pack failed
make: *** [Makefile:2172: /labs/linux-lab/build/arm/linux-v5.4-mcimx6ul-evk/.stamp_kernel-source] Error 128