Re: [PATCH 1/4] mm/gup: Add FOLL_INTERRUPTIBLE

[Jason Gunthorpe]

On Fri, Jun 24, 2022 at 09:23:04PM -0400, Peter Xu wrote:
> If to go back to the original question with a shorter answer: if the ioctl
> context that GUP upon a page that will never be with a uffd context, then
> it's probably not gonna help at all.. at least not before we use
> FAULT_FLAG_INTERRUPTIBLE outside uffd page fault handling.

I think I would be more interested in this if it could abort a swap
in, for instance. Doesn't this happen if it flows the interruptible
flag into the VMA's fault handler?

Jason