From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752739Ab1GYUU2 (ORCPT ); Mon, 25 Jul 2011 16:20:28 -0400 Received: from mx1.redhat.com ([209.132.183.28]:25345 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752571Ab1GYUUZ (ORCPT ); Mon, 25 Jul 2011 16:20:25 -0400 From: Johannes Weiner To: linux-mm@kvack.org Cc: Dave Chinner , Christoph Hellwig , Mel Gorman , Andrew Morton , Wu Fengguang , Rik van Riel , Minchan Kim , Jan Kara , Andi Kleen , linux-kernel@vger.kernel.org Subject: [patch 3/5] mm: writeback: remove seriously stale comment on dirty limits Date: Mon, 25 Jul 2011 22:19:17 +0200 Message-Id: <1311625159-13771-4-git-send-email-jweiner@redhat.com> In-Reply-To: <1311625159-13771-1-git-send-email-jweiner@redhat.com> References: <1311625159-13771-1-git-send-email-jweiner@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Johannes Weiner Signed-off-by: Johannes Weiner --- mm/page-writeback.c | 18 ------------------ 1 files changed, 0 insertions(+), 18 deletions(-) diff --git a/mm/page-writeback.c b/mm/page-writeback.c index a4de005..41dc871 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -379,24 +379,6 @@ int bdi_set_max_ratio(struct backing_dev_info *bdi, unsigned max_ratio) EXPORT_SYMBOL(bdi_set_max_ratio); /* - * Work out the current dirty-memory clamping and background writeout - * thresholds. - * - * The main aim here is to lower them aggressively if there is a lot of mapped - * memory around. To avoid stressing page reclaim with lots of unreclaimable - * pages. It is better to clamp down on writers than to start swapping, and - * performing lots of scanning. - * - * We only allow 1/2 of the currently-unmapped memory to be dirtied. - * - * We don't permit the clamping level to fall below 5% - that is getting rather - * excessive. - * - * We make sure that the background writeout level is below the adjusted - * clamping level. - */ - -/* * global_dirty_limits - background-writeback and dirty-throttling thresholds * * Calculate the dirty thresholds based on sysctl parameters -- 1.7.6