CHANGE_BIT(9) Basic C Library Functions CHANGE_BIT(9)NAMEchange_bit - Toggle a bit in memory
void change_bit(int nr, volatile unsigned long * addr);
Bit to change
Address to start counting from
DESCRIPTIONchange_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 3.8. June 2014 CHANGE_BIT(9)