Description
Android continues to find interesting new applications and problems to solve, both within and outside the mobile arena. Mainlining continues to be an area of focus, as do a number of areas of core Android functionality, including the kernel. Other areas where there is ongoing work include the low memory killer, dynamically-allocated Binder devices, kernel namespaces, EAS, userdata FS checkpointing and DT.
The working planning document is here:
https://docs.google.com/spreadsheets/d/1ymzOB4wapccX6t1b11T2-m9ny8buN7EuUqhCxrsmKe4
Android's transition from in-kernel lowmemorykiller to userspace LMKD introduced a number of challenges including low-latency memory pressure detection and signaling, improving kill decision mechanisms and improving SIGKILL delivery latency. This talk will focus on the memory pressure detection mechanism based on PSI (Pressure Stall Information) recently developed by Johannes Weiner. It will...
Android A/B updates allows roll back of updates that fail to boot, rolling back system, vendor partitions. BUT if update modifies the userdata partition before failing, cannot roll back modifications, and Android does not support updated userdata with old system/vendor partitions. If the file system supports snapshots, use them! We are adding snapshot support to F2FS. If no filesystem support,...
A short update on what Google is doing to help move partners away from proprietary interfaces for their display drivers and towards DRM/KMS and upstreaming.
Follow-up discussion to previous years about remaining work to be done to get ION driver merged upstream.
