The patch titled
Subject: include/linux/rbtree.h: avoid pointless rb_node alignment
has been added to the -mm tree. Its filename is
lib-rbtree-avoid-pointless-rb_node-alignment.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/lib-rbtree-avoid-pointless-rb_node-alignment.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/lib-rbtree-avoid-pointless-rb_node-alignment.patch
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------------------------------------------------------
From: Davidlohr Bueso <dave@xxxxxxxxxxxx>
Subject: include/linux/rbtree.h: avoid pointless rb_node alignment
Now that Linux no longer supports the CRIS architecture, we can drop this
fishy alignment. Apparently this was need to prevent misalignments in
struct address_space.
Link: http://lkml.kernel.org/r/20200110215429.30360-1-dave@xxxxxxxxxxxx
Signed-off-by: Davidlohr Bueso <dbueso@xxxxxxx>
Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/rbtree.h | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
--- a/include/linux/rbtree.h~lib-rbtree-avoid-pointless-rb_node-alignment
+++ a/include/linux/rbtree.h
@@ -25,8 +25,7 @@ struct rb_node {
unsigned long __rb_parent_color;
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 {
struct rb_node *rb_node;
_
Patches currently in -mm which might be from dave@xxxxxxxxxxxx are
lib-rbtree-avoid-pointless-rb_node-alignment.patch
ipc-mqueuec-remove-duplicated-code.patch
