[PATCH] um: clean up mm creation

[Johannes Berg]

On Fri, 2023-09-22 at 14:41 +0100, Anton Ivanov wrote:
> 
> It is nearly twice slower than the current approach on a find /usr -type f -exec cat {} > /dev/null \;
> 

Btw, I cannot reproduce that at all - seems about the same in my tests?

Is there anything special in your setup?

Or maybe it's because I'm using hostfs? But not sure why that would
matter.

johannes