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To: Hugh Dickins <hughd@google.com>
Cc: Shaohua Li <shli@kernel.org>, Sasha Levin <sasha.levin@oracle.com>,
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Subject: Re: boot warnings due to swap: make each swap partition have one address_space
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From: Valdis.Kletnieks@vt.edu
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On Sun, 27 Jan 2013 13:40:40 -0800, Hugh Dickins said:

> My reservations so far would be: how many installations actually have
> more than one swap area, so is it a good tradeoff to add more overhead
> to help those at the (slight) expense of everyone else?  The increasingly
> ugly page_mapping() worries me, and the static array of swapper_spaces
> annoys me a little.

Right now, probably few.  But the number may go up a lot if the whole
'zram-for-swapspace' thing catches on and/or ships in a distro...

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