Re: [PATCH 15/18] writeback: charge leaked page dirties to active tasks

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On Wed, Sep 07, 2011 at 12:16:36AM +0800, Peter Zijlstra wrote:
> On Sun, 2011-09-04 at 09:53 +0800, Wu Fengguang wrote:
> > The solution is to charge the pages dirtied by the exited gcc to the
> > other random gcc/dd instances.
> 
> random dirtying task, seeing it lacks a !strcmp(t->comm, "gcc") || !
> strcmp(t->comm, "dd") clause.

OK.

> >  It sounds not perfect, however should
> > behave good enough in practice. 
> 
> Seeing as that throttled tasks aren't actually running so those that are
> running are more likely to pick it up and get throttled, therefore
> promoting an equal spread.. ?

Exactly. Let me write that into changelog :)

Thanks,
Fengguang
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