On Tue, Feb 18, 2025 at 03:22:04PM -0700, Alex Williamson wrote: > Page count should more consistently be an unsigned long when passed as > an argument while functions returning a number of pages should use a > signed long to allow for -errno. > > vaddr_get_pfns() can therefore be upgraded to return long, though in > practice it's currently limited by the batch capacity. In fact, the > batch indexes are noted to never hold negative values, so while it > doesn't make sense to bloat the structure with unsigned longs in this > case, it does make sense to specify these as unsigned. > > No change in behavior expected. > > Signed-off-by: Alex Williamson <alex.williamson@xxxxxxxxxx> Reviewed-by: Peter Xu <peterx@xxxxxxxxxx> -- Peter Xu