.TH "__change_bit" 9 "__change_bit" "25 May 1998" "Kernel Hacker's Manual" LINUX
.SH NAME
__change_bit \-  Toggle a bit in memory
.SH SYNOPSIS
.B "void" __change_bit
.BI "(int " nr ","
.BI "volatile void *" addr ");"
.SH ARGUMENTS
.IP "nr" 12
 the bit to set
.IP "addr" 12
 the address to start counting from
.SH "DESCRIPTION"
Unlike \fBchange_bit\fP, 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.