On Thu, Dec 03, 2015 at 09:10:44AM +0100, Vlastimil Babka wrote: > Aaron, could you try this on your testcase? The test result is placed at: https://drive.google.com/file/d/0B49uX3igf4K4enBkdVFScXhFM0U For some reason, the patches made the performace worse. The base tree is today's Linus git 25364a9e54fb8296837061bf684b76d20eec01fb, and its performace is about 1000MB/s. After applying this patch series, the performace drops to 720MB/s. Please let me know if you need more information, 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>