1UPPER_32_BITS(9)                 Driver Basics                UPPER_32_BITS(9)
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NAME

6       upper_32_bits - return bits 32-63 of a number
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SYNOPSIS

9       upper_32_bits(n);
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ARGUMENTS

12       n
13           the number we're accessing
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DESCRIPTION

16       A basic shift-right of a 64- or 32-bit quantity. Use this to suppress
17       the “right shift count >= width of type” warning when that quantity is
18       32-bits.
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21Kernel Hackers Manual 2.6.       November 2011                UPPER_32_BITS(9)
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