Hello, Kirill. I found that zero_p4d_populate() in mm/kasan/kasan_init.c of next-20170511 doesn't get the benefit of the kasan_zero_pud. Do we need to fix it by adding "pud_populate(&init_mm, pud, lm_alias(kasan_zero_pud));" when alignment requirement is met? Thanks. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>