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 <torvalds@linux-foundation.org>

parent de46c337

mm/page-writeback.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -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