Memory Management subsystem:
-- feature SLQB allocator (
SLQB - and then there were four [LWN.net] )
-- enabled memory control group (ultimate ONLY)
-- SLUB completed updated to Linux 3.3-rc2 (kernel 013+)
-- enabled KSM for CM9 Dalvik hack also completely updated to Linux 3.3-rc2 (kernel 013+)
-- vmalloc completely updated to Linux 3.3-rc2 (kernel 013+)
-- vmscan completely updated to Linux 3.3-rc2 (kernel 013+)
-- memcontrol completely updated to Linux 3.3-rc2 (kernel 013+)
-- memory compaction completely updated to Linux 3.3-rc2 (kernel 013+)
-- page writeback completely updated to Linux 3.3-rc2 (kernel 013b6+)
-- filemap completely updated to Linux 3.3-rc3 (kernel 013b8+)
-- swap/swapfile completely updated to Linux 3.3-rc3 (kernel 013b8+)
-- shmem completely updated to Linux 3.3-rc3 (kernel 013b8+)
-- memblock completely updated to Linux 3.3-rc3 (kernel 013b13+)
-- oomkill completely updated to Linux 3.3-rc3 (kernel 013b13+)
Init:
-- kernel init completely updated to Linux 3.3-rc3 (kernel 013b8+)
Core Kernel:
*** RCU:
-- completely updated to latest preemptive tree RCU to Linux 3.3-rc2 (
http://en.wikipedia....ead-copy-update )
*** Scheduler:
-- back ported select Linux 3.3+ cgroup (cpu control groups), threadgroup optimizations
-- cherry picked select NOHz optimizations from Linux 3.3+ (
http://www.phoronix....m=651&num=1 )
-- multi-threaded device initialization
-- cherry picked the new lockless list support from Linux 3.3+ (
Lock-less list [LWN.net] )
Power Management:
-- cherry picked select PM optimizations from Linux 3.2+
-- cherry picked select CPUIDLE optimizations from Linux 3.3+
-- Added Two-Phase Power Savings to OnDemand Governor
-- Added screen off hotplug capability to Interactive (default), OnDemand and Conservative governors
File System:
-- DOS VFAT (read/write), NTFS (read/write), CDROM/UDF FS, CIFS+UTF-8 (windows share) all built-in
-- Filesystem writeback completely updated to Linux 3.3-rc2 (kernel 013b6+)
-- Asynchronous I/O completely updated to Linux 3.3-rc3 (kernel 013b6+)
Block I/O:
-- Deadline (default), No-op, FIOPS (back ported from Linux 3.3+), CFQ
-- Completely updated to Linux 3.3-RC3 (kernel 013b13+)
-- FIOPS version 2 (kernel 013+)
Kernel Features:
-- CleanCache Enabled (
Cleancache and Frontswap [LWN.net] ) (ultimate ONLY)
-- FrontSwap Enabled and updated to latest revisions slated for Linux 3.3+ (ultimate ONLY)
Device Drivers:
-- USB OTG (USB On-the-Go, aka USB Host-like support allows for external USB sticks, Keyboard/Mice)
-- DeviceMapper Cache capability (
Device-mapper Resource Page )
-- updated ZRAM / ZCache to latest Linux 3.3+ (compressed RAM devices) (ultimate ONLY)
-- Added Google's Snappy Compression support (alternative to LZO compression written by Google) (ultimate ONLY)
-- Patched OMAP4 Real-Time Clock with latest updates
-- Patched TWL6040 Codec with latest updates and optimization
-- ARM Berkeley Network Packet Filter Just-in-Time (JIT) compiler support (
http://en.wikipedia....y_Packet_Filter )
-- Added CM9 / Supercurio Color Gamma Hack (kernel 013b13+)
Library Support:
-- Optimized CRC32 and CRC32c with Sliced by 8 algorithm (used by TCP/IP and File Systems)
-- Optimized memcpy and string libraries (used by many things)
-- Updated IDR library to Linux 3.3-rc2 (kernel 013+)
-- more selective cherry picks from Linux 3.3-rc3 (kernel 013b8+)
ARM / OMAP architecture drivers:
-- Patched ARM VFP with latest updates (floating point optimization)
-- Patched ARM hotplug with latest updates (turning on/off CPUs)
-- Patched OMAP4 SmartReflex with latest updates (OMAP4xxx Hardware assisted Dynamic Voltage Scaler)
-- Patched ARM cache code with latest updates (L1/L2 Cache controls)
-- Asynchronous SMP initialization
-- CPU Overclocking to max 1.35GHz (with additional freq @ 1.06GHz, 810MHz and 525MHz)
-- GPU Overclocking to 384 MHz from 307 MHz (ultimate ONLY)
