change_bit
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. It may be
reordered on other architectures than x86.
Note that nr
may be almost arbitrarily large; this function is not
restricted to acting on a single-word quantity.