Messages in this thread | | | Date | Wed, 9 Sep 2009 20:32:23 +0800 | From | Wu Fengguang <> | Subject | Re: [PATCH 8/8] vm: Add an tuning knob for vm.max_writeback_mb |
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On Wed, Sep 09, 2009 at 08:28:06PM +0800, Christoph Hellwig wrote: > On Wed, Sep 09, 2009 at 05:29:01PM +0800, Wu Fengguang wrote: > > It seems that balance_dirty_pages() is not coupled with MAX_WRITEBACK_PAGES. > > Instead it uses the much smaller (ratelimit_pages + ratelimit_pages / 2). > > With Jen's writeback patches applied balance_dirty_pages does not start > writeback itself anymore but calls bdi_start_writeback to let the > flusher thread do it. > > it would be good if we do any writeback tuning ontop of these patches..
Ah OK. I'm using latest linux-next and expected his patches to be there..
Thanks, Fengguang
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