On Fri, Nov 03 2000, Mike Galbraith wrote:
> > I very much agree. Kflushd is still hungry for free write
> > bandwidth here.
>
> In the LKML tradition of code talks and silly opinions walk...
>
> Attached is a diagnostic patch which gets kflushd under control,
> and takes make -j30 bzImage build times down from 12 minutes to
> 9 here. I have no more massive context switching on write, and
> copies seem to go a lot quicker to boot. (that may be because
> some of my failures were really _really_ horrible)
>
> Comments are very welcome. I haven't had problems with this yet,
> but it's early so... This patch isn't supposed to be pretty either
> (hw techs don't do pretty;) it's only supposed to say 'Huston...'
> so be sure to grab a barfbag before you take a look.
Super, looks pretty good from here. I'll give it a go when I get back.
In addition, here's a small patch that disables the read stealing
of requests from the write list -- does that improve behaviour
when we are busy flushing?
-- * Jens Axboe <axboe@suse.de> * SuSE Labs
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