On Fri, 27 Aug 2004, Marcelo Tosatti wrote:

Is it possible to have AnonPages without a mapping to them? I dont think so.

It was impossible, but my "remove page_map_lock" patches had to change that.

Can't the check "if (total_swap_pages == 0 && PageAnon(page))" be moved
inside "if (page_mapped(page))" ? 

Yes: it's like that in -mm, and I believe now in Linus' bk tree too.

Hugh

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