Messages in this thread | | | Subject | Re: 2.6.10-rc3: kswapd eats CPU on start of memory-eating task | From | Nick Piggin <> | Date | Mon, 20 Dec 2004 15:33:45 +1100 |
| |
On Sun, 2004-12-19 at 22:21 -0500, Rik van Riel wrote: > On Mon, 20 Dec 2004, Con Kolivas wrote: > > > I still suspect the thrash token patch even with the swap token timeout > > at 0. Is it completely disabled at 0 or does it still do something? > > It makes it harder to page out pages from the task holding the > token. I wonder if kswapd should try to steal the token away > from the task holding it, so in effect nobody holds the token > when the system isn't under a heavy swapping load. >
In that case, the first thing we need to do is disable thrash token completely, and retest that. We still don't know for sure that it is the problem.
I don't have the code in front of me at the moment, but I'll be able to send a patch to do that in a couple of hours, if nobody beats me to it.
Nick
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |