From: "Ronghua Zhang" <[EMAIL PROTECTED]>
Date: Tue, 10 Oct 2006 15:37:04 -0700

> >From the code of tcp_sendmsg, it seems to me that each frag is at most
> one page. Is it a guaranteed property or the driver should not assume
> it? Thanks

This assumption basically already exists everywhere since
all drivers that create DMA mappings of the frags call
pci_map_page().
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