| To: | "David S. Miller" <davem@xxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [RFC] Replace scatterlist with crypto_frag |
| From: | Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> |
| Date: | Tue, 7 Jun 2005 09:14:05 +1000 |
| Cc: | hch@xxxxxxxxxxxxx, jmorris@xxxxxxxxxx, linux-crypto@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxx |
| In-reply-to: | <20050606.160947.75190168.davem@davemloft.net> |
| References: | <20050606124043.GA625@gondor.apana.org.au> <20050606.154653.64001264.davem@davemloft.net> <20050606230437.GA7172@gondor.apana.org.au> <20050606.160947.75190168.davem@davemloft.net> |
| Sender: | netdev-bounce@xxxxxxxxxxx |
| User-agent: | Mutt/1.5.9i |
On Mon, Jun 06, 2005 at 04:09:47PM -0700, David S. Miller wrote: > > So you want to use this area as a sort-of temporary > scratch pad for something other than scatterlist > information? That's interesting if so... There are two possibilities: 1) We use it directly as a scratch buffer for now since the frags are always linearised currently. 2) We have a list of lists of which this is simply a member. The meta-list itself can then be stored on the stack since each member is only 4 bytes. We can go with 1) for now. When it becomes possible for us to not flatten the frags, we can switch to 2). Cheers, -- Visit Openswan at http://www.openswan.org/ Email: Herbert Xu ~{PmV>HI~} <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt |
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