[PATCH] vm: try_to_free_pages unused argument

try_to_free_pages accepts a third argument, order, but hasn't used it since
before 2.6.0.  The following patch removes the argument and updates all the
calls to try_to_free_pages.

Signed-off-by: Darren Hart <dvhltc@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/fs/buffer.c b/fs/buffer.c
index 7e9e409..0befa72 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -528,7 +528,7 @@
 	for_each_pgdat(pgdat) {
 		zones = pgdat->node_zonelists[GFP_NOFS&GFP_ZONEMASK].zones;
 		if (*zones)
-			try_to_free_pages(zones, GFP_NOFS, 0);
+			try_to_free_pages(zones, GFP_NOFS);
 	}
 }