David S. Miller f78a5fda91 Revert "Scm: Remove unnecessary pid & credential references in Unix socket's send and receive path" ...

This reverts commit 0856a30409.

As requested by Eric Dumazet, it has various ref-counting
problems and has introduced regressions.  Eric will add
a more suitable version of this performance fix.

Signed-off-by: David S. Miller <davem@davemloft.net>

2011-09-16 19:34:00 -04:00

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