UPPER_32_BITS(9) Driver Basics UPPER_32_BITS(9)NAMEupper_32_bits - return bits 32-63 of a number
SYNOPSISupper_32_bits(n);
ARGUMENTS
n
the number we´re accessing
DESCRIPTION
A basic shift-right of a 64- or 32-bit quantity. Use this to suppress
the “right shift count >= width of type” warning when that quantity is
32-bits.
COPYRIGHTKernel Hackers Manual 2.6. November 2013 UPPER_32_BITS(9)