[RFC] [PATCH] VM & VFS changes

[Alexander Leidinger]

Poul-Henning Kamp <phk at phk.freebsd.dk> wrote:

> Maybe the simplest solution is also the best:  keep track of the
> dependencies and do the cleanup leaf->root on the resulting tree.

How many userland processes have to be running and consuming memory which
isn't available as physical RAM at this point in the shutdown sequence?

Wouldn't a loop like the following be enough?
  while swap
      umount unbusy-FS
      swap-off swap

This assumes that swap-off doesn't turns off the swap if it isn't able to put
everything back into other swap or physical RAM areas.

Bye,
Alexander.

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