Re: [announce] swap mini-howto

Rik van Riel
2002-11-02T21:17:05Z

On Sat, 2 Nov 2002, Pavel Machek wrote:

> > That has changed in 2.5. Swapping onto a regular file has no
> > disadvantage wrt swapping onto a block device. The kernel does
> > not need to allocate any memory at all to get a swapcache page
> > onto disk.
>
> Well, you can swsusp to partition. You can't swsusp to a file, as that
> is very hard to do.

Why is it very hard to do ?

For the swap layer, swap to a partition or to a file is the
same thing.

Does swsusp rely on restoring memory from the swap partition
before mounting the root filesystem or is there more behind
your objection ?

regards,

Rik
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