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:

quoted

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.

quoted

 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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