[PATCH] swsusp: kill config_pm_disk

CONFIG_PM_DISK is long gone, but it still managed to survived at few
places.

Signed-off-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/mm/page_io.c b/mm/page_io.c
index 667c76d..2e605a1 100644
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -127,7 +127,7 @@
 	return ret;
 }
 
-#if defined(CONFIG_SOFTWARE_SUSPEND) || defined(CONFIG_PM_DISK)
+#ifdef CONFIG_SOFTWARE_SUSPEND
 /*
  * A scruffy utility function to read or write an arbitrary swap page
  * and wait on the I/O.  The caller must have a ref on the page.