Re: kernel > 2.1.36 & nfs

Alan Cox (alan@lxorguk.ukuu.org.uk)
Tue, 3 Jun 1997 22:21:12 +0100 (BST)

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> The point is that the copy is _never_ needed - we'd be better off just
> leaving the packets fragmented, and let the higher level protocols (tcp
> and udp) take care of "reassembly" (ie copy them to user mode or to the
> page cache and only _then_ do we make the DATA contiguous - never the
> actual packet itself).

Second point. We can't make a 65280 byte HIPPI NFS UDP packet contiguous
without fixing the underlying page allocator (preferred) or doing vm games
as I suggested below.

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