table of contents
other versions
- wheezy-backports 3.16.39-1+deb8u1~bpo70+1
- jessie 3.16.43-2
| UPPER_32_BITS(9) | Driver Basics | UPPER_32_BITS(9) |
NAME¶
upper_32_bits - return bits 32-63 of a numberSYNOPSIS¶
upper_32_bits(n);
ARGUMENTS¶
nthe 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.COPYRIGHT¶
| February 2017 | Kernel Hackers Manual 3.16 |