下载android内核源码

root@ubuntu64:/home/zhangbin/android_src# cd *kernel
root@ubuntu64:/home/zhangbin/android_src/android_kernel# ls
root@ubuntu64:/home/zhangbin/android_src/android_kernel# git clone https://android.googlesource.com/kernel/goldfish.git
Cloning into 'goldfish'...
remote: Counting objects: 28280, done
remote: Finding sources: 100% (6/6)
remote: Getting sizes: 100% (5/5)
remote: Compressing objects: 100% (5/5)
remote: Total 2442118 (delta 2048586), reused 2442116 (delta 2048586)
Receiving objects: 100% (2442118/2442118), 499.20 MiB | 178 KiB/s, done.
Resolving deltas: 100% (2048602/2048602), done.
root@ubuntu64:/home/zhangbin/android_src/android_kernel#

root@ubuntu64:/home/zhangbin/android_src/android_kernel# ls
goldfish
root@ubuntu64:/home/zhangbin/android_src/android_kernel# git clone https://android.googlesource.com/kernel/common.git
Cloning into 'common'...
remote: Counting objects: 62116, done
remote: Finding sources: 100% (306/306)
remote: Getting sizes: 100% (128/128)
remote: Compressing objects: 100% (128/128)
Receiving objects: 100% (2475266/2475266), 498.99 MiB | 798 KiB/s, done.
remote: Total 2475266 (delta 2076399), reused 2475147 (delta 2076388)
Resolving deltas: 100% (2076477/2076477), done.
root@ubuntu64:/home/zhangbin/android_src/android_kernel# ls
common  goldfish
root@ubuntu64:/home/zhangbin/android_src/android_kernel# du -l
578664    ./common/.git/objects/pack
4    ./common/.git/objects/info
578672    ./common/.git/objects
8    ./common/.git/logs/refs/heads
12    ./common/.git/logs/refs
20    ./common/.git/logs
8    ./common/.git/info
4    ./common/.git/refs/tags
8    ./common/.git/refs/heads
8    ./common/.git/refs/remotes/origin
12    ./common/.git/refs/remotes
28    ./common/.git/refs
40    ./common/.git/hooks
4    ./common/.git/branches
578796    ./common/.git
578800    ./common
217668    ./goldfish/.git/objects/pack
4    ./goldfish/.git/objects/info
217676    ./goldfish/.git/objects
8    ./goldfish/.git/info
4    ./goldfish/.git/refs/tags
4    ./goldfish/.git/refs/heads
12    ./goldfish/.git/refs
40    ./goldfish/.git/hooks
4    ./goldfish/.git/branches
217756    ./goldfish/.git
217760    ./goldfish
796564    .
root@ubuntu64:/home/zhangbin/android_src/android_kernel# ls -al
总用量 16
drwxrwxr-x 4 zhangbin zhangbin 4096  1月  1 01:03 .
drwxrwxr-x 5 zhangbin zhangbin 4096  1月  1 01:00 ..
drwxr-xr-x 3 root     root     4096  1月  1 01:03 common
drwxr-xr-x 3 root     root     4096  1月  1 01:01 goldfish
root@ubuntu64:/home/zhangbin/android_src/android_kernel#