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44 lines
962 B
C
Executable File
44 lines
962 B
C
Executable File
#ifndef _COMPAT_LINUX_MATH64_H
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#define _COMPAT_LINUX_MATH64_H 1
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#include <linux/version.h>
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#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,25))
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#include_next <linux/math64.h>
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#else
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#include <linux/types.h>
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#include <asm/div64.h>
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#endif /* (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,25)) */
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26)
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#if BITS_PER_LONG == 64
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static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder)
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{
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*remainder = dividend % divisor;
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return dividend / divisor;
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}
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#elif BITS_PER_LONG == 32
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#ifndef div_u64_rem
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static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder)
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{
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*remainder = do_div(dividend, divisor);
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return dividend;
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}
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#endif
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#endif /* BITS_PER_LONG */
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#ifndef div_u64
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static inline u64 div_u64(u64 dividend, u32 divisor)
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{
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u32 remainder;
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return div_u64_rem(dividend, divisor, &remainder);
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}
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#endif
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#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26) */
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#endif /* _COMPAT_LINUX_MATH64_H */
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