#ifndef __LINUX_COMPILER_H #error "Please don't include <linux/compiler-gcc3.h> directly, include <linux/compiler.h> instead." #endif /* These definitions are for GCC v3.x. */ #include <linux/compiler-gcc.h> #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 /* * A trick to suppress uninitialized variable warning without generating any * code */ #define uninitialized_var(x) x = x #define __always_inline inline __attribute__((always_inline))