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SubjectRe: [ck] 2.6.7 backport request, spinoff idea
Mikhail Ramendik wrote:
> Con Kolivas wrote:
>>Actually I wonder if the swap token is responsible in 2.6.10-rc3
>>Try this
>>echo 0 > /proc/sys/vm/swap_token_timeout
> Well, this makes things really better, although not as good as There
> are kswapd cpu jumps and screen freezes, but they only last several seconds
> (the longest is in the very beginning, about 15-20 sec).
> Thanks! This makes the system much more useable.

This is worth posting to lkml so I've cc'ed a few relevant people (there
is already a thread about this there). Rik care to comment? I recall
pointing out this test case a while back. Got any way to make it harder
to trigger the swap token? It seems to affect normal workloads adversely
considering how rare swap thrashing actually occurs.

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