mm: Adjust dirty writeback for IO boost

Conflicts:
	mm/page-writeback.c
mm: slub: Try setting slub_max_order to zero

Conflicts:
	mm/slub.c
mm: slub: Memory allocated by kstrdup should be freed, when kmalloc(kmem_size, GFP_KERNEL) is failed.
sched: Make GENTLE_FAIR_SLEEPERS configurable thru sysfs

Conflicts:
	kernel/sched/fair.c
debug: remove: not cool to force that debugging
debug: remove: tty remove smux debugging
debug: remove: mach-msm remove smd debugging
debug: remove: remove some dmesg logspam from Linux mainline 3.4 fs
debug: remove: arm unwind: remove logspam while in debug mode

Change-Id: I87501ca4609a883a99cddd2836c5d036e2cacd06
lemur_defconfig: remove unnecessary debugging in defconfig

Signed-off-by: Lens-F <tnoah12@gmail.com>