'At this year's Linux Plumbers Conference, Google engineers held talks about the company's efforts to get Android as close as possible to the mainline Linux kernel. Not only would this reduce technical overhead for Google and other companies, because they would no longer have to merge thousands of changes into each new Linux kernel version (and Google would no longer have to support Linux kernel versions for six years), but it could also benefit the Linux project as a whole. For example, the growing number of ARM-based Linux phones and computers could see improved performance and battery life. The first stage of this process is merging as many of Android's modifications as possible back into the mainline Linux kernel.
As of Feburary 2018, the Android common kernel (which OEMs make additional changes to) has over 32,000 insertions and over 1,500 deletions compared to mainline Linux 4.14.0. That's an improvement from a few years ago, when Android added over 60,000 lines of code on top of Linux. To show off how much progress has been made, Tom Gall, the director of the Linaro Consumer Group, brought a Xiaomi Pocophone on stage that was running Android 10 on top of a mainline Linux kernel. He told the audience, "there are major, major props to be given to the Google Kernel Team in particular for getting their code upstream so that we can boot devices with a mainline kernel." It's likely that some of the phone's features were non-functional (the battery percentage in the picture reads as 0%), but it's still impressive.'
- Corbin Davenport,
Google wants Android to use regular Linux kernel, potentially improving updates and security, November 19, 2019
Context(In The Electric Universe) Open Source Infrastructure, beginning of the Enterprise Nervous System (ENS)