WSL2-Linux-Kernel/include/linux/compiler-gcc3.h

/* Never include this file directly.  Include <linux/compiler.h> instead.  */

/* These definitions are for GCC v3.x.  */
#include <linux/compiler-gcc.h>

#if __GNUC_MINOR__ >= 3
# define __attribute_used__	__attribute__((__used__))
#else
# define __attribute_used__	__attribute__((__unused__))
#endif

#if __GNUC_MINOR__ >= 4
#define __must_check		__attribute__((warn_unused_result))
#endif

#define __always_inline		inline __attribute__((always_inline))