lkml.org 
[lkml]   [2008]   [Dec]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH][RFC 23/23]: Support for zero-copy TCP transmit of user space data
    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


    \
     
     \ /
      Last update: 2008-12-20 09:15    [W:0.021 / U:89.296 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site