-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 I booted with kernelcore=1g and it appears that ZONE_MOVABLE is only using 760mb out of 4g and DMA32 is continuing to use much more than the specified 1g: root@faldara:~# cat /proc/zoneinfo Node 0, zone DMA ~ pages free 3356 ~ min 66 ~ low 82 ~ high 99 ~ scanned 0 ~ spanned 4095 ~ present 3996 ~ managed 3975 ~ nr_free_pages 3356 ~ nr_alloc_batch 17 ~ nr_inactive_anon 0 ~ nr_active_anon 0 ~ nr_inactive_file 1 ~ nr_active_file 1 ~ nr_unevictable 0 ~ nr_mlock 0 ~ nr_anon_pages 0 ~ nr_mapped 0 ~ nr_file_pages 2 ~ nr_dirty 0 ~ nr_writeback 0 ~ nr_slab_reclaimable 5 ~ nr_slab_unreclaimable 13 ~ nr_page_table_pages 8 ~ nr_kernel_stack 2 ~ nr_unstable 0 ~ nr_bounce 0 ~ nr_vmscan_write 0 ~ nr_vmscan_immediate_reclaim 0 ~ nr_writeback_temp 0 ~ nr_isolated_anon 0 ~ nr_isolated_file 0 ~ nr_shmem 0 ~ nr_dirtied 19 ~ nr_written 19 ~ numa_hit 215007 ~ numa_miss 0 ~ numa_foreign 0 ~ numa_interleave 0 ~ numa_local 215007 ~ numa_other 0 ~ nr_anon_transparent_hugepages 0 ~ nr_free_cma 0 ~ protection: (0, 3217, 3217, 3912) ~ pagesets ~ cpu: 0 ~ count: 0 ~ high: 0 ~ batch: 1 ~ vm stats threshold: 6 ~ cpu: 1 ~ count: 0 ~ high: 0 ~ batch: 1 ~ vm stats threshold: 6 ~ cpu: 2 ~ count: 0 ~ high: 0 ~ batch: 1 ~ vm stats threshold: 6 ~ cpu: 3 ~ count: 0 ~ high: 0 ~ batch: 1 ~ vm stats threshold: 6 ~ all_unreclaimable: 0 ~ start_pfn: 1 ~ inactive_ratio: 1 Node 0, zone DMA32 ~ pages free 110515 ~ min 13842 ~ low 17302 ~ high 20763 ~ scanned 0 ~ spanned 1044480 ~ present 844086 ~ managed 824348 ~ nr_free_pages 110515 ~ nr_alloc_batch 2969 ~ nr_inactive_anon 104044 ~ nr_active_anon 107653 ~ nr_inactive_file 164341 ~ nr_active_file 144652 ~ nr_unevictable 4 ~ nr_mlock 4 ~ nr_anon_pages 200317 ~ nr_mapped 17257 ~ nr_file_pages 326892 ~ nr_dirty 5 ~ nr_writeback 0 ~ nr_slab_reclaimable 11832 ~ nr_slab_unreclaimable 9053 ~ nr_page_table_pages 6865 ~ nr_kernel_stack 449 ~ nr_unstable 0 ~ nr_bounce 0 ~ nr_vmscan_write 127863 ~ nr_vmscan_immediate_reclaim 5648 ~ nr_writeback_temp 0 ~ nr_isolated_anon 0 ~ nr_isolated_file 0 ~ nr_shmem 1409 ~ nr_dirtied 10448485 ~ nr_written 10212199 ~ numa_hit 234775891 ~ numa_miss 0 ~ numa_foreign 0 ~ numa_interleave 0 ~ numa_local 234775891 ~ numa_other 0 ~ nr_anon_transparent_hugepages 47 ~ nr_free_cma 0 ~ protection: (0, 0, 0, 694) ~ pagesets ~ cpu: 0 ~ count: 80 ~ high: 186 ~ batch: 31 ~ vm stats threshold: 36 ~ cpu: 1 ~ count: 50 ~ high: 186 ~ batch: 31 ~ vm stats threshold: 36 ~ cpu: 2 ~ count: 34 ~ high: 186 ~ batch: 31 ~ vm stats threshold: 36 ~ cpu: 3 ~ count: 125 ~ high: 186 ~ batch: 31 ~ vm stats threshold: 36 ~ all_unreclaimable: 0 ~ start_pfn: 4096 ~ inactive_ratio: 5 Node 0, zone Movable ~ pages free 7013 ~ min 2986 ~ low 3732 ~ high 4479 ~ scanned 0 ~ spanned 194560 ~ present 194560 ~ managed 177867 ~ nr_free_pages 7013 ~ nr_alloc_batch 456 ~ nr_inactive_anon 13942 ~ nr_active_anon 14578 ~ nr_inactive_file 23643 ~ nr_active_file 23600 ~ nr_unevictable 0 ~ nr_mlock 0 ~ nr_anon_pages 25538 ~ nr_mapped 3257 ~ nr_file_pages 50856 ~ nr_dirty 0 ~ nr_writeback 0 ~ nr_slab_reclaimable 0 ~ nr_slab_unreclaimable 0 ~ nr_page_table_pages 0 ~ nr_kernel_stack 0 ~ nr_unstable 0 ~ nr_bounce 0 ~ nr_vmscan_write 190596 ~ nr_vmscan_immediate_reclaim 3187 ~ nr_writeback_temp 0 ~ nr_isolated_anon 0 ~ nr_isolated_file 0 ~ nr_shmem 78 ~ nr_dirtied 1785494 ~ nr_written 1833870 ~ numa_hit 22890304 ~ numa_miss 0 ~ numa_foreign 0 ~ numa_interleave 0 ~ numa_local 22890304 ~ numa_other 0 ~ nr_anon_transparent_hugepages 10 ~ nr_free_cma 0 ~ protection: (0, 0, 0, 0) ~ pagesets ~ cpu: 0 ~ count: 22 ~ high: 186 ~ batch: 31 ~ vm stats threshold: 24 ~ cpu: 1 ~ count: 21 ~ high: 186 ~ batch: 31 ~ vm stats threshold: 24 ~ cpu: 2 ~ count: 130 ~ high: 186 ~ batch: 31 ~ vm stats threshold: 24 ~ cpu: 3 ~ count: 142 ~ high: 186 ~ batch: 31 ~ vm stats threshold: 24 ~ all_unreclaimable: 0 ~ start_pfn: 1048576 ~ inactive_ratio: 1 root@faldara:~# cat /proc/cmdline BOOT_IMAGE=/boot/vmlinuz-3.13.0-29-generic root=/dev/mapper/faldara-trusty ro kernelcore=1g quiet splash nomdmonddf nomdmonisw vt.handoff=7 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEcBAEBCgAGBQJTlm4WAAoJEI5FoCIzSKrwJkMH/0eB4Xqi2kf5LrDQSnqJa8RP ONDl0O+vywvVwXS2GYZatz+WgYySrqwjKYAj8bLCvu9f5Oy9l1Sy9S9Cw5dmaxwV e7f+2DsJ4NWHDH/P8j4bzLauDyfBoKuifx5eoIc7LdPLCFSnLRUc612172OfNMHr 0bRe+Rc3PeFi2DGy7DyN48Vm+PZwvwUbsXZFYO4LA1YPzfVstP3BL5wEIyS7za7x zeediEB1UizTa1pl4OD/EBcrOZ3He4SeOgz9msisOUMwRx9wNDJlTGp40tbscSs6 716cpY69jMGuC81H7SkzNBqJPIJFz4D1ezvNfvdfU5y2vyI2nxwdtHEdRIiZjYM= =P4eq -----END PGP SIGNATURE----- -- 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>