Added fsync on/off support.

Conflicts:
	fs/sync.c
power: decrease the amount of time the device waits after entering low power mode to freeze processes. Testing phase at the moment.

Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>
Signed-off-by: Seongmin Park <r_data@naver.com>
init: main: commented out ftrace_init() because I don't use ftrace for released kernels, only for my own debugging. Should save few ms during boot.

Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>

Conflicts:

	init/main.c

Signed-off-by: Seongmin Park <r_data@naver.com>
drivers: mmc: disable CRC.

Signed-off-by: Francisco Franco <franciscofranco.1990@gmail.com>
Signed-off-by: Seongmin Park <r_data@naver.com>
Revert "arm: Set default reclaim mode to use vmalloc saving"

This reverts commit ef1b5a9b8a8bf08698cebc436488b27c5a01ac66.
makefile: tweak flags
Revert "Enable pipe flag."

This reverts commit 3e655a6ba38b12a375558747c50be917a626bdfa.
Revert "staging: android: LMK: Skip killing core apps"

This reverts commit ecc522c935ebfe1d6ccbf95e8998b1e5d5897b3c.
Revert "nohz: Reduce overhead under high-freq idling patterns"

This reverts commit ccd24f07fd7ba7daa2539ee01b28816ec54f8560.
Revert "msm: kgsl: Wake gpu up on the max freq when using the performance governor"

This reverts commit 66e9ea41c9d324f789aff2790cb5406ba37c7c29.