#ifndef __ASM_GENERIC_SYSCALLS_H#define __ASM_GENERIC_SYSCALLS_H #include <linux/compiler.h>#include <linux/linkage.h> /* * Calling conventions for these system calls can differ, so * it's possible to override them. */ #ifndef sys_mmap2asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,			unsigned long prot, unsigned long flags,			unsigned long fd, unsigned long pgoff);#endif #ifndef sys_mmapasmlinkage long sys_mmap(unsigned long addr, unsigned long len,			unsigned long prot, unsigned long flags,			unsigned long fd, off_t pgoff);#endif #ifndef CONFIG_GENERIC_SIGALTSTACK#ifndef sys_sigaltstackasmlinkage long sys_sigaltstack(const stack_t __user *, stack_t __user *,			struct pt_regs *);#endif#endif #ifndef sys_rt_sigreturnasmlinkage long sys_rt_sigreturn(struct pt_regs *regs);#endif #ifndef sys_rt_sigsuspendasmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize);#endif #ifndef sys_rt_sigactionasmlinkage long sys_rt_sigaction(int sig, const struct sigaction __user *act,			 struct sigaction __user *oact, size_t sigsetsize);#endif #endif /* __ASM_GENERIC_SYSCALLS_H */