#ifndef __LINUX_COMPILER_H#error "Please don't include <linux/compiler-gcc3.h> directly, include <linux/compiler.h> instead."#endif #if __GNUC_MINOR__ < 2# error Sorry, your compiler is too old - please upgrade it.#endif #if __GNUC_MINOR__ >= 3# define __used			__attribute__((__used__))#else# define __used			__attribute__((__unused__))#endif #if __GNUC_MINOR__ >= 4#define __must_check		__attribute__((warn_unused_result))#endif #ifdef CONFIG_GCOV_KERNEL# if __GNUC_MINOR__ < 4#   error "GCOV profiling support for gcc versions below 3.4 not included"# endif /* __GNUC_MINOR__ */#endif /* CONFIG_GCOV_KERNEL */