1. NAME

change_bit - Toggle a bit in memory

2. SYNOPSIS

void change_bit(int  nr , volatile unsigned long *  addr );

3. ARGUMENTS

nr
    Bit to change

addr
    Address to start counting from

4. 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.

5. COPYRIGHT