.\" This manpage has been automatically generated by docbook2man .\" from a DocBook document. This tool can be found at: .\" .\" Please send any bug reports, improvements, comments, patches, .\" etc. to Steve Cheng . .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.