On Tue, 12 Feb 2013 17:45:42 -0800 (PST) David Rientjes <rientjes@xxxxxxxxxx> wrote:
> > > The installed memory on my system is 16 GiB. /proc/meminfo is showing me
> > > "MemTotal: 16435048 kB" but /sys/devices/system/node/node0/meminfo is
> > > showing me "Node 0 MemTotal: 16776380 kB".
> > >
> > > My suggestion: MemTotal in /proc/meminfo should be 16776380 kB too. The old
> > > value of 16435048 kB could have its own key "MemAvailable".
> >
> > hm, mine does that too. A discrepancy between `totalram_pages' and
> > NODE_DATA(0)->node_present_pages.
> >
> > I don't know what the reasons are for that but yes, one would expect
> > the per-node MemTotals to sum up to the global one.
> >
>
> I'd suspect it has something to do with 9feedc9d831e ("mm: introduce new
> field "managed_pages" to struct zone") and 3.8 would be the first kernel
> release with this change. Is it possible to try 3.7 or, better yet, with
> this patch reverted?
My desktop machine at google in inconsistent, as is the 2.6.32-based
machine, so it obviously predates 9feedc9d831e.
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