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Re: unconfiguring swap at shutdown
In article <20080903150644.GA26637%asim.lip6.fr@localhost>,
Manuel Bouyer <bouyer%antioche.eu.org@localhost> wrote:
>On Wed, Sep 03, 2008 at 02:32:55PM +0000, Christos Zoulas wrote:
>> In article <20080903134702.GA4485%asim.lip6.fr@localhost>,
>> Manuel Bouyer <bouyer%antioche.eu.org@localhost> wrote:
>> >On Tue, Sep 02, 2008 at 07:45:43PM -0700, Jason Thorpe wrote:
>> >> Tmpfs? Do this after file systems have been unmounted?
>> >No, but the proposed in-kernel swapoff code needs access to /dev, which
>> >may be on a tmpfs. So you can't unmount it before swapoff.
>> Why is that? It does not do a a lookup but accesses the vnode directly
>> from the swap struct.
>Hum, I though I read it'd still need the access to /dev, but I couldn't find
>refeferences to this in this thread. So I may be wrong.
>I think we still may have a circular dependancy between umount and swapoff
>if there is swap on a regular file.
As I mentioned before, swapoff happens before unmount for that reason.
The only problem is tmpfs, but that has wired memory?
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