[problem?] swapon: swap partition/volume size capped at 32G?

[Raymond Jennings]

Ok, so I just upgraded to 3.10.0 (gentoo system) and made a nice big
64GiB swap volume on lvm as usual.

Suddenly, swapon doesn't recognize more than 32GiB, as top lists only
that much swap space.

swapon using *two* separate 32GiB partitions works fine, but for some
reason a swap partition bigger than 32GiB isn't fully recognized.

Previous kernel versions IIRC recognized the entire swap partition.

Is something wrong or is this new behavior standard?

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