CHANGE_BIT(9) Basic C Library Functions CHANGE_BIT(9)NAME
change_bit - Toggle a bit in memory
SYNOPSIS
void change_bit(int nr, volatile unsigned long * addr);
ARGUMENTS
nr
Bit to change
addr
Address to start counting from
DESCRIPTION
change_bit is atomic and may not be reordered. Note that nr may be
almost arbitrarily large; this function is not restricted to acting on
a single-word quantity.
COPYRIGHTKernel Hackers Manual 2.6. November 2013 CHANGE_BIT(9)