* Jiri Olsa <jo...@redhat.com> wrote:
> > > struct page *
> > > perf_mmap_to_page(struct ring_buffer *rb, unsigned long pgoff)
> > > {
> > > - if (pgoff > (1UL << page_order(rb)))
> > > + if (pgoff > page_nr(rb))
> > > return NULL;
> >
> > This is just wrong.. you have page_nr() be 1+2^n, but the comparison is
>
> > '>' not '>=', this means we get a range of 2+2^n, not the desired 1+2^n.
>
> ouch, missed that one
So, because this is perf/urgent which I want to send Linuswards, I removed
the commit to not hold up other bits - please resend the whole patch once
everything is fixed.
Thanks,
Ingo
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