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.TH "CALL_RCU" "9" "09 October 2005" "" ""

.SH NAME
call_rcu \- Queue an RCU callback for invocation after a grace period.
.SH SYNOPSIS
"SYNOPSIS"
.sp
\fB
.sp
void fastcall call_rcu  (struct rcu_head * \fIhead\fB, void (*\fIfunc\fB)
struct rcu_head *rcu);
\fR
.SH "ARGUMENTS"
.TP
\fB\fIhead\fB\fR
structure to be used for queueing the RCU updates.
.TP
\fB\fIfunc\fB\fR
actual update function to be invoked after the grace period
.SH "DESCRIPTION"
.PP
The update function will be invoked some time after a full grace
period elapses, in other words after all currently executing RCU
read-side critical sections have completed.  RCU read-side critical
sections are delimited by \fBrcu_read_lock\fR and \fBrcu_read_unlock\fR,
and may be nested.