Messages in this thread | | | Date | Wed, 20 Mar 2013 11:46:12 -0700 (PDT) | From | David Rientjes <> | Subject | Re: [patch] mm, hugetlb: include hugepages in meminfo |
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On Wed, 20 Mar 2013, Michal Hocko wrote:
> On Tue 19-03-13 17:18:12, David Rientjes wrote: > > Particularly in oom conditions, it's troublesome that hugetlb memory is > > not displayed. All other meminfo that is emitted will not add up to what > > is expected, and there is no artifact left in the kernel log to show that > > a potentially significant amount of memory is actually allocated as > > hugepages which are not available to be reclaimed. > > Yes, I like the idea. It's bitten me already in the past. > > The only objection I have is that you print only default_hstate. You > just need to wrap your for_each_node_state by for_each_hstate to do > that. With that applied, feel free to add my > Acked-by: Michal Hocko <mhocko@suse.cz> >
I didn't do this because it isn't already exported in /proc/meminfo and since we've made an effort to reduce the amount of information emitted by the oom killer at oom kill time to avoid spamming the kernel log, I only print the default hstate.
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