On Sat, Nov 21, 2020 at 02:45:06PM -0500, Andrea Arcangeli wrote: > + if (likely(!PageReserved(page))) NOTE: this line will have to become "likely(page && !PageReserved(page))" to handle the case of non contiguous zones, since pageblock_pfn_to_page might return NULL in that case.. I noticed right after sending, but I'll wait some feedback before resending the correction in case it gets fixed in another way.
