AFTER YOU PATCH BOOTLOADER, IT'S PERMANENT.
(image from gingerDX mini pro)
And finally it come true!, flash with flashtool, as normal ftf.
If you want to come back to stock kernel, download stock kernel zip, and flash with flashtool.
Bugs: Nothing, wifi works.
Thanks to aZuZu for saying me a cool kernel name, and helping me with hostile C language, also for Ramdisk!, thanks to him, we have this custom kernel !