Provided by: kernel-doc-2.4.27_2.4.27-12_all bug

NAME

       spans_boundary -  Check a packet can be ISA DMA’d

SYNOPSIS

       int spans_boundary (struct sk_buff *skb);

ARGUMENTS

       skb          The buffer to check

DESCRIPTION

       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.