1 MADV_NORMAL 2 MADV_RANDOM 3 MADV_SEQUENTIAL 4 MADV_WILLNEED 5 MADV_DONTNEED 6 MADV_REMOVE 7 MADV_DONTFORK 8 MADV_DOFORK 9 MADV_HWPOISON 10 MADV_SOFT_OFFLINE 11 MADV_MERGEABLE 12 MADV_UNMERGEABLE 13 MADV_HUGEPAGE 14 MADV_NOHUGEPAGE 15 MADV_DONTDUMP 16 MADV_DODUMP 17
