Re: [PATCH v2] vmscan: limit concurrent reclaimers in shrink_zone

[KOSAKI Motohiro]

> On Fri, 2009-12-11 at 16:46 -0500, Rik van Riel wrote:
> 
> Rik, the latest patch appears to have a problem although I dont know
> what the problem is yet.  When the system ran out of memory we see
> thousands of runnable processes and 100% system time:
> 
> 
>  9420  2  29824  79856  62676  19564    0    0     0     0 8054  379  0 
> 100  0  0  0
> 9420  2  29824  79368  62292  19564    0    0     0     0 8691  413  0 
> 100  0  0  0
> 9421  1  29824  79780  61780  19820    0    0     0     0 8928  408  0 
> 100  0  0  0
> 
> The system would not respond so I dont know whats going on yet.  I'll
> add debug code to figure out why its in that state as soon as I get
> access to the hardware.
> 
> Larry

There are 9421 running processces. it mean concurrent task limitation
don't works well. hmm?



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