dac232ff_ainlining_Project___eLinux_org__Description
[Feature/Patch] ashmem [Status] not mainlined [Part of core?] yes [Owner/Interested parties] John Stultz [Notes] Working on fadvise volatile alternative implementation that handles part of the ashmem functionality. However, there are additional aspects of ashmem design that need to be addressed(no tmpfs mounts, atomic create/unlink behavior,etc). [Description] 
Shared memory implementation that allows unpinned pages to be marked, which can be dropped by the kernel under memory pressure
Android Mainlining Project - eLinux.org