Re: Oops in __free_pages_ok (pre7-1) (Long)

[Rik van Riel <riel@conectiva.com.br>]

On Wed, 3 May 2000, Andrea Arcangeli wrote:

> So what I propose is to set the entry bit in the swapin path only if we
> take over the swap cache, and to clear it in do_wp_page during COW and in
> free_page_and_swap_cache unconditionally (we know if it's set the page was
> not shared). We should also set it while taking over the swap cache in the
> cow after removing the page from the swap cache (in the case the page
> isn't shared).

> Note that dirty swap cache during COW have the same problem to choose if
> the swap entry should be inherit by the old page or by the new page (so
> it's not going to be a solution for that). My conclusion is that dropping
> the persistence on the swap during cow looks rasonable action.

Sounds like a good idea to me.

Rik
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