Messages in this thread | | | Date | Mon, 7 May 2001 00:07:49 +0200 (CEST) | From | BERECZ Szabolcs <> | Subject | Re: page_launder() bug |
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Hi!
On Sun, 6 May 2001, Jonathan Morton wrote:
> >- page_count(page) == (1 + !!page->buffers)); > > Two inversions in a row? I'd like to see that made more explicit, > otherwise it looks like a bug to me. Of course, if it IS a bug... it's not a bug. if page->buffers is zero, than the page_count(page) is 1, and if page->buffers is other than zero, page_count(page) is 2. so it checks if page is really used by something. maybe this last line is not true, but the !!page->buffers is not a bug.
Bye, Szabi
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