This patch
	- adds copyright and license info
	- changes sense of mmap config option (setting option enables mmap
	  instead of disabling it, to avoid the double negative)
	- removes an #ifdef CONFIG_IA64 now that acpi_register_gsi()
	  is generic.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>