Messages in this thread | | | Date | Wed, 15 Apr 2009 09:33:17 +0100 | From | Alan Cox <> | Subject | Re: meminfo Committed_AS underflows |
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> The 1023 cpus won't ever hit the ACCT_THRESHOLD. The 1 CPU that did > will decrement the global 'vm_committed_space' by ~128 GB. Underflow. > Yay. This happens on a much smaller scale now. > > Should we be protecting meminfo so that it spits slightly more sane > numbers out to the user?
Yes. It used to be accurate but the changes were put in as the memory accounting value was actually starting to show up in profiles as it bounced around the CPUs - perhaps the constraint should instead be a worst case error as percentage of total system memory ?
Alan
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