vzctl set --ram/--swap: fix

Commit cd8d526 is an epic fail: if you use any suffix
the value is 1024 times larger than it should be. Oops.

Fix by dividing by _page_size. While at it, round it up to
nearest muliple of _page_size.

Signed-off-by: Kir Kolyshkin <kir@openvz.org>
1 file changed