Re: [RFC] [PATCH] cache pollution aware __copy_from_user_ll()

Arjan van de Ven
2005-08-15T12:25:11Z

On Mon, 2005-08-15 at 08:15 -0400, linux@horizon.com wrote:
> Actually, is there any place *other* than write() to the page cache that
> warrants a non-temporal store? Network sockets with scatter/gather and
> hardware checksum, maybe?

afaik those use zero copy already, eg straight pagecache copy.
Eg that's the only case where s/g is used right now, and that case
doesn't copy already.