Re: [RFC 0/5] vmalloc_exec for modules and BPF programs

From: Peter Zijlstra
Date: Mon Aug 22 2022 - 12:35:24 EST


On Mon, Aug 22, 2022 at 03:46:38PM +0000, Song Liu wrote:
> Could you please share your feedback on this?

I've looked at it all of 5 minutes, so perhaps I've missed something.

However, I'm a little surprised you went with a second tree instead of
doing the top-down thing for data. The way you did it makes it hard to
have guard pages between text and data.