Re: [PATCH] proc/task_mmu: handle special PMDs in clear_refs and pagemap

[Andrew Morton]

On Tue, 15 Sep 2026 01:19:50 -0400 Gregory Price <gourry@xxxxxxxxxx> wrote:

> > > Fixes: 3c8e44c9b369 ("mm: mark special bits for huge pfn mappings when inject")
> > > Cc: <stable@xxxxxxxxxxxxxxx> # v6.19+
> > 
> > Why cc:stable?  Is a crafted test driver the only way of hitting this?
> > 
> 
> Technically reachable via mshv_vtl_low, so i tagged it stable.

I have no idea what this means, but I pasted it in ;)

> It's hard to make a judgment call on some of these - so I err on the
> side of backporting.  Feel free to drop stable if you think it's not
> worth it.

I retained the cc:stable.  It's disturbing to leave known bugs in there
because we *think* nobody can reach them.  What if we're wrong about that?