From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail143.messagelabs.com (mail143.messagelabs.com [216.82.254.35]) by kanga.kvack.org (Postfix) with SMTP id 8F0216B016B for ; Fri, 26 Aug 2011 07:47:52 -0400 (EDT) Message-Id: <20110826113813.895522398@intel.com> Date: Fri, 26 Aug 2011 19:38:13 +0800 From: Wu Fengguang Subject: [PATCH 00/10] IO-less dirty throttling v10 Sender: owner-linux-mm@kvack.org List-ID: To: linux-fsdevel@vger.kernel.org Cc: Peter Zijlstra , Andrew Morton , Jan Kara , Christoph Hellwig , Dave Chinner , Greg Thelen , Minchan Kim , Vivek Goyal , Andrea Righi , linux-mm , LKML , Wu Fengguang Hi, The core algorithms for IO-less balance_dirty_pages(). git://git.kernel.org/pub/scm/linux/kernel/git/wfg/writeback.git dirty-throttling-v10 Changes since v9: - a lot of renames and comment/changelog rework, again - seperate out the dirty_ratelimit update policy (as patch 04) - add think time compensation - add 3 trace events Changes since v8: - a lot of renames and comment/changelog rework - use 3rd order polynomial as the global control line (Peter) - stabilize dirty_ratelimit by decreasing update step size on small errors - limit per-CPU dirtied pages to avoid dirty pages run away on 1k+ tasks (Peter) Thanks a lot to Peter, Vivek and Andrea for the careful reviews! shortlog: Wu Fengguang (10): writeback: account per-bdi accumulated dirtied pages writeback: dirty position control writeback: dirty rate control writeback: stabilize bdi->dirty_ratelimit writeback: per task dirty rate limit writeback: IO-less balance_dirty_pages() writeback: dirty ratelimit - think time compensation writeback: trace balance_dirty_pages writeback: trace dirty_ratelimit trace task_io (RFC) diffstat: fs/fs-writeback.c | 2 +- include/linux/backing-dev.h | 8 + include/linux/sched.h | 8 + include/linux/writeback.h | 1 + include/trace/events/writeback.h | 181 +++++++++-- kernel/fork.c | 4 + mm/backing-dev.c | 3 + mm/page-writeback.c | 664 +++++++++++++++++++++++++++++--------- 8 files changed, 693 insertions(+), 178 deletions(-) Thanks, Fengguang -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org