Revert "increase period size from offical"

This reverts commit 81cc425786284e95b0163b257a05fb21cb04f244.
Revert "Revert "increase period size from offical""

This reverts commit 8f2979865e6b2c3626f3ab026acf5fe73ceed529.
Revert "Revert "Revert "increase period size from offical"""

This reverts commit 2c3740443a22d8cdd3dfa60dad0f968810dd97fe.
merge from stock
Merge branch 'cm10.1' of https://github.com/Gaojiquan/android_kernel_zte_N5 into cm10.1