c51efbe68f
Currently the system uses procfs and we are migrating to use a syscall called process_madvise which makes the code upstreamable and will allow for making compaction widely available for multiple android devices. It also opens room for future developments that involve a finer grain VMA compressions than the current procfs allows. Test: Ran the system without crashes and verified am_compact was effectively showing compressed memory (free zram reduced) when compressing. Bug: 162993824 Test: Manual, verified that zram was being increased over time after compactions happened Change-Id: I9d9d895aee7fbc46a2f12f6ca080ab8457ea7222 Merged-In: I9d9d895aee7fbc46a2f12f6ca080ab8457ea7222