Messages in this thread | | | Date | Sat, 20 Dec 2008 19:10:45 +1100 | From | Herbert Xu <> | Subject | Re: [PATCH][RFC 23/23]: Support for zero-copy TCP transmit of user space data |
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On Fri, Dec 19, 2008 at 11:43:34PM -0800, Jeremy Fitzhardinge wrote: > > Hm. So if I get a destructor call from the shared_info, can I go an > inspect the page refcounts to see if its really the last use?
The pages that were originally in the shared_info at creation time may no longer be there by the time it's freed because of pskb_pull_tail.
Cheers, -- Visit Openswan at http://www.openswan.org/ Email: Herbert Xu ~{PmV>HI~} <herbert@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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