what means "module_param(channel_mask, channel_mask, 0644)"?

[Robert P. J. Day]

  researching my next newbie column about module parameters and i ran
across the following:

drivers/input/misc/ati_remote2.c:module_param(channel_mask, channel_mask, 0644);
drivers/input/misc/ati_remote2.c:module_param(mode_mask, mode_mask, 0644);

i have no idea what it means to have the second (type) field of
module_param() simply repeat the name of the parameter.  is this some
strange magic?  those two names don't *appear* to be typedef'ed
anywhere i can see.

rday
--

========================================================================
Robert P. J. Day                               Waterloo, Ontario, CANADA

        Linux Consulting, Training and Annoying Kernel Pedantry.

Web page:                                          http://crashcourse.ca
Twitter:                                       http://twitter.com/rpjday
"Kernel Newbie Corner" column @ linux.com:          http://cli.gs/WG6WYX
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