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/*
* linux/compiler.h compatibility header
*/
#ifndef _COMPAT_COMPILER_H
#define _COMPAT_COMPILER_H
#include <linux/version.h>
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,10)) \
|| (LINUX_VERSION_CODE == KERNEL_VERSION(2,4,4))
#include_next <linux/compiler.h>
#else
/* Somewhere in the middle of the GCC 2.96 development cycle, we implemented
a mechanism by which the user can annotate likely branch directions and
expect the blocks to be reordered appropriately. Define __builtin_expect
to nothing for earlier compilers. */
#if __GNUC__ == 2 && __GNUC_MINOR__ < 96
#define __builtin_expect(x, expected_value) (x)
#endif
#endif
#ifndef likely
#define likely(x) __builtin_expect(!!(x),1)
#define unlikely(x) __builtin_expect(!!(x),0)
#endif
#endif /* _COMPAT_COMPILER_H */
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