[RBTREE] Add explicit alignment to sizeof(long) for struct rb_node.
Seems like a strange requirement, but allegedly it was necessary for
struct address_space on CRIS, because it otherwise ended up being only
byte-aligned. It's harmless enough, and easier to just do it than to
prove it isn't necessary... although I really ought to dig out my etrax
board and test it some time.
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
diff --git a/include/linux/rbtree.h b/include/linux/rbtree.h
index 748be50..3cc30b0 100644
--- a/include/linux/rbtree.h
+++ b/include/linux/rbtree.h
@@ -104,7 +104,8 @@
#define RB_BLACK 1
struct rb_node *rb_right;
struct rb_node *rb_left;
-};
+} __attribute__((aligned(sizeof(long))));
+ /* The alignment might seem pointless, but allegedly CRIS needs it */
struct rb_root
{