Hi Andrew, The kernel build fails, with following build error mm/memory.c: In function ‘free_pte_range’: mm/memory.c:126: error: implicit declaration of function ‘pmd_pgtable’ mm/memory.c:126: warning: initialization makes pointer from integer without a cast mm/memory.c: In function ‘apply_to_pte_range’: mm/memory.c:1389: warning: assignment makes pointer from integer without a cast make[1]: *** [mm/memory.o] Error 1 make: *** [mm] Error 2 The patch causing this issue is config_highpte-vs-sub-page-page-tables.patch. Where the marco is defined #ifndef CONFIG_PPC_64K_PAGES. -- Thanks & Regards, Kamalesh Babulal, Linux Technology Center, IBM, ISTL. - To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html