fix
zram swap: LMK and memcontrol update from Samsung SGS 4 update 2 source drop

Signed-off-by: Paul Reioux <reioux@gmail.com>

Conflicts:

	drivers/staging/android/lowmemorykiller.c
lowmemorykiller: fix GCC-4.7 compiler warning

Signed-off-by: Paul Reioux <reioux@gmail.com>
LMK: Optimize lowmem_shrink.

By comparing with selected_oom_score_adj instead of min_score_adj,
we may do less calculation.

Signed-off-by: Leon Ma <xindong.ma@intel.com>

Signed-off-by: Paul Reioux <reioux@gmail.com>