Hi, Made a few tweaks and adjustments: - If block_dump is set, also dump who is marking a page/buffer as dirty. akpm recommended this. - Don't touch default bdflush parameters (see script) That's about it. I've gotten several mails who really like the patch and that it really adds a non-significant amount of extra battery time. I consider the patch final at this point. Patch is against 2.4.21-rc2 (ish) -- Jens Axboe