On Tue, 24 Mar 2026 16:23:24 -0700 Andrew Morton <[email protected]> wrote:
> On Mon, 23 Mar 2026 12:56:33 +0100 "David Hildenbrand (Arm)" > <[email protected]> wrote: > > > > + supported = __pagemap_scan_get_categories(fd, test_area, &r) >= > > > 0; > > > > You have to cast it to a (long) first before comparing, like we do in > > pagemap_scan_get_categories(). > > > > > > Maybe best written as > > > > long ret = __pagemap_scan_get_categories(fd, test_area, &r); > > > > if (ret >= 0) > > supported = 1; > > > > > + ksft_print_msg("errno: %d\n", errno); > > > > I guess we should drop that, was mostly for testing. oops, sorry, just learned the difference between "delete" and "send" I was going to say "unclear why we're printing the errno from a successful mmap()".
