R --max-vsize=4000M --max-nsize=4000M

hello!

what's wrong???

i use 32 bit machine.
every time i 'm connecting the server  to do my work with R on it , 
after having done

 > ................
 > R --max-vsize=4000M --max-nsize=4000M

i become  wrong limits specification  for Ncells:

 > .....
 > gc()
                    used        (Mb)       gc trigger       (Mb)   limit 
(Mb)
Ncells   698799         18.7          1644099           44       112000
Vcells 65744346    501.6      189257063       1444           4000

is there anything wrong?

thanks a lot