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

[Andrew Morton]

On Mon, 20 Jan 2020 09:51:44 -0800 Davidlohr Bueso <dave@xxxxxxxxxxxx> wrote:

> 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, I'll drop this patch.