From: Pavel Machek <pavel@ucw.cz>

This actually calls highmem_resume(), so swsusp has chance to work on
highmem machines.  It also adds comments about code flow, which is quite
interesting at that point.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>