Re: [RFC PATCH 3/6] mm: nommu: fix an issue on map request to /dev/zero

On Thu, Aug 13, 2026 at 09:43:37PM +0900, Daniel Palmer wrote:
> Hi Greg,
> 
> On Thu, 13 Aug 2026 at 21:26, Greg Kroah-Hartman
> <[email protected]> wrote:
> 
> > Given the age of this issue, I don't think anyone uses no-mmu systems
> > anymore :(
> 
> There are a few of us using it for hobby stuff[0][1] and there are
> apparently people using it for actual commercial stuff.
> There was a session about this at LPC 2025...

This patch is fixing a very obvious issue that showed up in the 5.10
kernel, which was released in December 2020.

So I think the fact that no one has reported it before now means that no
one is actually using it :)

thanks,

greg k-h