.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
 Bit to change
.IP "addr" 12
 Address to start counting from
.SH "DESCRIPTION"
\fBchange_bit\fP is atomic and may not be reordered.
Note that \fInr\fP may be almost arbitrarily large; this function is not
restricted to acting on a single-word quantity.