K 10
svn:author
V 2
ed
K 8
svn:date
V 27
2009-10-31T10:35:41.583146Z
K 7
svn:log
V 467
Turn unused structure fields of cdevsw into spares.

d_uid, d_gid and d_mode are unused, because permissions are stored in
cdevpriv nowadays. d_kind doesn't seem to be used at all. We no longer
keep a list of cdevsw's, so d_list is also unused.

uid_t and gid_t are 32 bits, but mode_t is 16 bits, Because of alignment
constraints of d_kind, we can safely turn it into three 32-bit integers.
d_kind and d_list is equal in size to three pointers.

Discussed with:	kib

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