Re: [PATCH v2 1/3] mm/gup_benchmark: handle gup failures

Linus Torvalds writes: On Thu, Apr 5, 2018 at 2:03 PM, Michael S. Tsirkin <mst@redhat.com> wrote:

[...]

+ i += nr;
Can we just make this robust while at it, and just make it Can we just make this robust while at it, and just make it

        if (nr <= 0)
                break;

instead? Then it doesn't care about zero vs negative error, and
wouldn't get stuck in an endless loop if it got zero.

             Linus