2014/05/10 code comments add.
2014/05/17 code comments add.
2014/05/24 code comments add.
2014/05/24 code comments fix

- code comments white space add or delete.
Merge branch 'master' of github.com:aceofall/linux-kernel into review

* 'master' of github.com:aceofall/linux-kernel:
  2014/05/24 code comments fix
  2014/05/24 code comments add.
  2014/05/17 code comments add.
  2014/05/10 code comments add.

Conflicts:
	arch/arm/boot/compressed/head.S
	arch/arm/include/asm/barrier.h
	arch/arm/include/asm/mach/arch.h
	arch/arm/include/asm/memory.h
	arch/arm/include/asm/spinlock.h
	arch/arm/include/asm/tlbflush.h
	arch/arm/kernel/atags_parse.c
	arch/arm/kernel/devtree.c
	arch/arm/kernel/setup.c
	arch/arm/mm/init.c
	arch/arm/mm/mmu.c
	drivers/of/fdt.c
	include/linux/lockdep.h
	include/linux/mm_types.h
	include/linux/mmzone.h
	include/linux/preempt.h
	include/linux/sched.h
	kernel/sched/core.c
	lib/smp_processor_id.c
	mm/bootmem.c
	mm/memblock.c
	mm/page_alloc.c
	mm/sparse.c