K 10
svn:author
V 8
lstewart
K 8
svn:date
V 27
2010-07-20T00:46:18.852246Z
K 7
svn:log
V 327
MFC r209978,209981,209987,210184:

- Rename DPCPU_SUM to DPCPU_VARSUM to better reflect the fact it operates on
  member variables of a DPCPU struct (r209978).

- Add DPCPU_SUM which sums a DPCPU variable (r209978,209987,210184).

- Macro to simplify zeroing DPCPU variables (r209981,209987).

Sponsored by:	FreeBSD Foundation

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