Re: filecache/swapcache questions

[Rik van Riel <riel@nl.linux.org>]

On Tue, 15 Jun 1999, Kanoj Sarcar wrote:

> I still can't see how this can happen. Note that try_to_swap_out
> either does a get_swap_page/swap_duplicate on the swaphandle,
> which gets the swap_count up to 2, or if it sees a page already in
> the swapcache, it just does a swap_duplicate. Either way, if the
> only reference on the physical page is from the swapcache, there
> will be at least one more reference on the swap page other than
> due to the swapcache. What am I missing?

When the swap I/O (if needed) finishes, the page count is
decreased by one.

Rik -- Open Source: you deserve to be in control of your data.
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