Messages in this thread |  | | Date | Mon, 7 May 2001 18:50:19 -0300 (BRT) | From | Marcelo Tosatti <> | Subject | Re: page_launder() bug |
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On Mon, 7 May 2001, Linus Torvalds wrote:
> > On Mon, 7 May 2001, Marcelo Tosatti wrote: > > > > On 7 May 2001, Linus Torvalds wrote: > > > > > But it is important to re-calculate the deadness after getting the > > > lock. Before, it was just an informed guess. After the lock, it is > > > knowledge. And you can use informed guesses for heuristics, but you > > > must _not_ use them for any serious decisions. > > > > And thats what swap_writepage() is doing: > > Ehh.. swap_writepage() is called with the page locked. So it _can_ depend > on it.
So the "dead_swap_page" logic is _not_ buggy and you are full of shit when telling Alan to revert the change. (sorry, I could not avoid this one)
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