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.TH "SPANS_BOUNDARY" "9" "09 October 2005" "" ""

.SH NAME
spans_boundary \- Check a packet can be ISA DMA'd
.SH SYNOPSIS
"SYNOPSIS"
.sp
\fB
.sp
int spans_boundary  (struct sk_buff * \fIskb\fB);
\fR
.SH "ARGUMENTS"
.TP
\fB\fIskb\fB\fR
The buffer to check
.SH "DESCRIPTION"
.PP
Returns true if the buffer cross a DMA boundary on a PC. The poor
thing can only DMA within a 64K block not across the edges of it.