Re: [PATCH]sparc32: Fix impossibility of swap disabling after intensive swap using

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From: Тхай Кирилл <tkhai@xxxxxxxxx>
Date: Fri, 30 Apr 2010 03:28:35 +0400

> The problem is that some "big" swap entries corresponds to "none" ptes and
> they can't be unused in the function zap_pte_range when program is ending.
> The function free_swap_and_cache isn't calls for that swap entries. And
> swapoff syscall spin in infinity loop.
> I hope my patch can be useful. Kernel version 2.6.33.3.

I think we'll need to rearrange the bit usage to fix this instead of turning
this off entirely.
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