https://github.com/torvalds/linux
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Tip revision: a38d6181ff27824c79fc7df825164a212eff6a3f authored by Linus Torvalds on 01 July 2007, 19:54:24 UTC
Linux 2.6.22-rc7
Tip revision: a38d618
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 __used			__attribute__((__used__))
# define __attribute_used__	__used				/* deprecated */
#else
# define __used			__attribute__((__unused__))
# define __attribute_used__	__used				/* deprecated */
#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))
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