Messages in this thread Patch in this message |  | | | From | Johannes Weiner <> | | Subject | [patch 3/5] mm: writeback: remove seriously stale comment on dirty limits | | Date | Mon, 25 Jul 2011 22:19:17 +0200 |
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From: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> --- 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
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