Alan Cox 674b706ea0 Consider the zero-copy transmission of a page that was wired by mlock(2).
If a copy-on-write fault occurs on the page, the new copy should inherit
a part of the original page's wire count.

Submitted by: tegge
MFC after: 1 week
2005-11-01 04:30:21 +00:00
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2005-09-07 01:42:30 +00:00