#define __ARCH_WANT_SYS_OLDUMOUNT
#define __ARCH_WANT_SYS_SIGPENDING
#define __ARCH_WANT_SYS_SIGPROCMASK
+#define __ARCH_WANT_SYS_RT_SIGACTION
unsigned long sys_mmap(unsigned long addr, size_t len, unsigned long prot,
unsigned long flags, unsigned long fd, off_t offset);