Re: [PATCH v4 5/5] tcp: Remove mmap_lock fallback path

[Matthew Wilcox]

On Thu, Aug 06, 2026 at 01:05:48PM -0700, Suren Baghdasaryan wrote:
> Previously, the per-VMA locking could fail in the face of writers
> which necessitates a fallback to mmap_lock. The new
> lock_vma_under_rcu_wait() will wait for writers instead of failing.

It's not called that any more ...