include/linux/mmzone.h:1079:13: error: the comparison will always evaluate as ‘true’ for the address of ‘mem_section’ will never be NULL [-Werror=address] include/linux/mmzone.h:1079:13: error: the comparison will always evaluate as ‘true’ for the address of ‘mem_section’ will never be NULL [-Werror=address] include/linux/mmzone.h:1079:13: error: the comparison will always evaluate as ‘true’ for the address of ‘mem_section’ will never be NULL [-Werror=address] include/linux/mmzone.h:1079:13: error: the comparison will always evaluate as ‘true’ for the address of ‘mem_section’ will never be NULL [-Werror=address] include/linux/mmzone.h:1079:13: error: the comparison will always evaluate as ‘true’ for the address of ‘mem_section’ will never be NULL [-Werror=address] include/linux/mmzone.h:1079:13: error: the comparison will always evaluate as ‘true’ for the address of ‘mem_section’ will never be NULL [-Werror=address] include/linux/mmzone.h:1079:13: error: the comparison will always evaluate as ‘true’ for the address of ‘mem_section’ will never be NULL [-Werror=address] kernel/workqueue.c:3377:49: error: ‘flags’ undeclared (first use in this function) kernel/workqueue.c:4419:25: error: implicit declaration of function ‘touch_nmi_watchdog’ [-Werror=implicit-function-declaration]