sys_csky_fadvise64_64   13 arch/csky/include/asm/syscalls.h long sys_csky_fadvise64_64(int fd, int advice, loff_t offset, loff_t len);
sys_csky_fadvise64_64   10 arch/csky/kernel/syscall_table.c #define sys_fadvise64_64 sys_csky_fadvise64_64