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SubjectRe: 3.7-rc6 soft lockup in kswapd0
Mel Gorman <mgorman@suse.de> wrote:
> On Tue, Nov 27, 2012 at 04:25:14PM -0500, George Spelvin wrote:
>> Well, it just made it to 24 hours,
>> it did before. I'm going to wait a couple more days before declaring
>> victory, but it looks good so far.
>>
>> 19:19:10 up 1 day, 0 min, 2 users, load average: 0.15, 0.20, 0.22
>> 21:24:05 up 1 day, 2:05, 2 users, load average: 0.25, 0.19, 0.18
>
> Superb. The relevant patches *should* be in flight for 3.7 assuming they
> make it through the confusion of last-minute fixes.

14:53:54 up 2 days, 19:35, 2 users, load average: 0.20, 0.24, 0.23

Almost three days, when it wouldn't live overnight before.
As promised, I'm declaring victory.

The patch that worked (on top of -rc7) was Johannes Weiner's
"mm: vmscan: fix endless loop in kswapd balancing"
that added the zone_balanced() function to mm/vmscan.c:2400.

Thank you all very much!


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