Re: [PATCH] lib/rbtree: avoid pointless rb_node alignment

[Davidlohr Bueso]

On Mon, 20 Jan 2020, Geert Uytterhoeven wrote:

> timerqueue_del() uses rbtree, and
>
>    #define rb_parent(r)   ((struct rb_node *)((r)->__rb_parent_color & ~3))
>
> relies on all objects being 4-byte aligned.  But your patch broke that
> assumption on m68k, where the default alignment is 2-byte.
>
> Andrew: please drop this patch.

Yeah that's too bad. I'll send a patch improving the comment around the alignment
once the patch is dropped.

Thanks,
Davidlohr