LINUX_VERSION-3.18 = .29
LINUX_VERSION-4.1 = .23
-LINUX_VERSION-4.3 = .4
LINUX_VERSION-4.4 = .7
LINUX_KERNEL_MD5SUM-3.18.29 = b25737a0bc98e80d12200de93f239c28
LINUX_KERNEL_MD5SUM-4.1.23 = 5cb969fa874e110118722398b7c72c5d
-LINUX_KERNEL_MD5SUM-4.3.4 = 5275d02132107c28b85f986bad576d91
LINUX_KERNEL_MD5SUM-4.4.7 = 4345597c9a10bd73c28b6ae3a854d8d7
ifdef KERNEL_PATCHVER