From: Linus Torvalds Date: Fri, 27 Apr 2007 16:10:47 +0000 (-0700) Subject: Change default dirty-writeback limits X-Git-Tag: upstream/snapshot3+hdmi~34970 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=07db59bd6b0f279c31044cba6787344f63be87ea;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git Change default dirty-writeback limits Do this really early in the 2.6.22-rc series, so that we'll get feedback. And don't change by half measures. Just cut the default dirty limit to a quarter of what it was, and see if anybody even notices. Signed-off-by: Linus Torvalds --- diff --git a/mm/page-writeback.c b/mm/page-writeback.c index f469e3c..a794945 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -67,12 +67,12 @@ static inline long sync_writeback_pages(void) /* * Start background writeback (via pdflush) at this percentage */ -int dirty_background_ratio = 10; +int dirty_background_ratio = 5; /* * The generator of dirty data starts writeback at this percentage */ -int vm_dirty_ratio = 40; +int vm_dirty_ratio = 10; /* * The interval between `kupdate'-style writebacks, in jiffies