__NR_epoll_ctl    515 arch/arm64/include/asm/unistd32.h #define __NR_epoll_ctl 251
__NR_epoll_ctl    307 arch/sh/include/uapi/asm/unistd_64.h #define __NR_epoll_ctl		283
__NR_epoll_ctl     87 include/uapi/asm-generic/unistd.h #define __NR_epoll_ctl 21
__NR_epoll_ctl     87 tools/include/uapi/asm-generic/unistd.h #define __NR_epoll_ctl 21