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1765 clevermous 1 
#ifndef __LINUX_COMPILER_H
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#error "Please don't include  directly, include  instead."
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#endif
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#if __GNUC_MINOR__ < 2
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# error Sorry, your compiler is too old - please upgrade it.
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#endif
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#if __GNUC_MINOR__ >= 3
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# define __used                 __attribute__((__used__))
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#else
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# define __used                 __attribute__((__unused__))
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#endif
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#if __GNUC_MINOR__ >= 4
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#define __must_check            __attribute__((warn_unused_result))
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#endif
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#ifdef CONFIG_GCOV_KERNEL
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# if __GNUC_MINOR__ < 4
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#   error "GCOV profiling support for gcc versions below 3.4 not included"
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# endif /* __GNUC_MINOR__ */
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#endif /* CONFIG_GCOV_KERNEL */
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/*
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 * A trick to suppress uninitialized variable warning without generating any
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 * code
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 */
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#define uninitialized_var(x) x = x
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#define __always_inline         inline __attribute__((always_inline))