K 10
svn:author
V 3
alc
K 8
svn:date
V 27
2010-05-06T15:52:08.281816Z
K 7
svn:log
V 405
Eliminate a small bit of unneeded code from kern_sendfile(): While
kern_sendfile() is running, the file's vm object can't be destroyed
because kern_sendfile() increments the vm object's reference count.  (Once
kern_sendfile() decrements the reference count and returns, the vm object
can, however, be destroyed.  So, sf_buf_mext() must handle the case where
the vm object is destroyed.)

Reviewed by:	kib

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