Updated to latest Google Csnappy compressor for ZRAM.
use snappy
squash update of LMK from ZENkernel ~ now @ b4ea4a64d7a4bc4fbe242c1624e5b5c659283340
lowmemorykiller: Compact memory when killing processes

* Memory compaction is never invoked on Android because we avoid swap
   and don't allocate huge pages. Fix it by invoking compaction from the LMK when
   a process is killed to reduce memory fragmentation.

Change-Id: I2bda790c2093e65fd6f43d52ea5149d6b57cb1e9

Conflicts:

	drivers/staging/android/lowmemorykiller.c

Conflicts:
	drivers/staging/android/lowmemorykiller.c
	mm/compaction.c