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From: Marius Strobl <marius@FreeBSD.org>
Date: Sat, 23 Aug 2008 20:57:48 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Subject: cvs commit: src/sys/dev/dc if_dc.c
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marius      2008-08-23 20:57:48 UTC

  FreeBSD src repository

  Modified files:
    sys/dev/dc           if_dc.c 
  Log:
  SVN rev 182079 on 2008-08-23 20:57:48Z by marius
  
  - Use m_collapse(9) instead of m_defrag(9) if possible. This results
    in a noticeable reduction in system time spent.
  - If bus_dmamap_load_mbuf_sg(9) fails with EFBIG and we already have
    defragmented the mbuf chain, don't bother to defragment and load it
    a second time just yet as it's likely to fail again anyway.
  
  MFC after:      3 days
  
  Revision  Changes    Path
  1.196     +27 -18    src/sys/dev/dc/if_dc.c