[PATCH] mm/mmap: Fix locking issues in vma_expand()

[Andrew Morton]

On Fri, 15 Jul 2022 18:49:21 +0000 Liam Howlett <liam.howlett at oracle.com> wrote:

> 
> Andrew,
> 
> I think in my confusing post about ignoring the previous version of this
> patch, you may have missed this completed solution?

Nope, this one is in -mm already. 
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-mmap-use-advanced-maple-tree-api-for-mmap_region-fix.patch