CHANGE_BIT(9)                       Basic C Library Functions                       CHANGE_BIT(9)



NAME
       change_bit - Toggle a bit in memory

SYNOPSIS
       void change_bit(long 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.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                             CHANGE_BIT(9)