Messages in this thread | | | Date | Fri, 07 Nov 2008 21:00:47 -0800 | From | Badari Pulavarty <> | Subject | Re: 2.6.28-rc3 mem_cgroup panic |
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KAMEZAWA Hiroyuki wrote: > KAMEZAWA Hiroyuki said: > >> Badari Pulavarty said: >> >>> Hi Balbir, >>> >>> I was running memory remove/add tests in a continuous loop. >>> I get following panic in mem_cgroup migration code. >>> >>> Is this a known issue ? >>> >>> >> No, this is new one. We don't see panic in cpuset based migration..so.. >> Maybe related to page_cgroup allocation/free code in memory hotplug >> notifier. >> >> Thank you for report. I'll try this. >> >> > Hmm...at quick look... > > online/offline page_cgroup's calculation for "start" is buggy.. > > -start = start_pfn & (PAGES_PER_SECTION - 1); > +start = start_pfn & ~(PAGES_PER_SECTION - 1); > > I'm sorry I can't write patch today. > > Regards, > -Kame > >
Thanks for the fix. Tests are running fine now.
Thanks, Badari
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