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SubjectRe: [PATCH v2] vmscan: limit concurrent reclaimers in shrink_zone
Date
> 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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