Linux 3.4.1 -> 3.4.74

Conflicts:
	arch/arm/mm/dma-mapping.c
	drivers/mmc/card/block.c
	drivers/staging/zsmalloc/zsmalloc-main.c
	kernel/events/core.c
	kernel/hrtimer.c
	kernel/kthread.c
	mm/vmscan.c
	net/wireless/reg.c