Hi Andrea, Sorry, I should be noticed and address the issue with scan before... Patchset below should address your concern. I've tested it in qemu with fake numa. Kirill A. Shutemov (3): thp: make split_queue per-node thp: change deferred_split_count() to return number of THP in queue thp: limit number of object to scan on deferred_split_scan() include/linux/mmzone.h | 6 +++++ mm/huge_memory.c | 64 +++++++++++++++++++++++++------------------------- mm/page_alloc.c | 5 ++++ 3 files changed, 43 insertions(+), 32 deletions(-) -- 2.7.0.rc3 -- 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>