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__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

the bit to change

addr

the address to start counting from

DESCRIPTION

Unlike change_bit, this function is non-atomic and may be reordered. If it's called on the same region of memory simultaneously, the effect may be that only one operation succeeds.

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June 2024 Kernel Hackers Manual 3.10