[PATCH] maple_tree: Add dead node check in mas_dup_alloc()

[Andrew Morton]

On Tue, 6 Jan 2026 02:49:34 +0000 Matthew Wilcox <willy at infradead.org> wrote:

> On Mon, Jan 05, 2026 at 05:33:50PM -0800, Andrew Morton wrote:
> > Great, thanks, I added all that to the changelog and queued this in
> > mm.git as a hotfix, for runtime testing and pending reviewer input.
> 
> Surely this should just be a lockdep assertion that the appropriate
> locks are held?

yup ;)