[LIB]: Introduce struct pcounter

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This just generalises what was introduced by Eric Dumazet for the struct proto
inuse field in 286ab3d460:

    [NET]: Define infrastructure to keep 'inuse' changes in an efficent SMP/NUMA way.

Please look at the comment in there to see the rationale.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Arnaldo Carvalho de Melo 2007-11-21 22:02:58 +08:00 • committed by David S. Miller

parent 0c884439db

commit de4d1db369

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102

include/linux/pcounter.h

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