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SubjectRe: [RFC][PATCH 1/3] radix priority search tree - objrmap complexity fix
On Mon, 29 Mar 2004, Andrew Morton wrote:
> hmm, yes, we have pages which satisfy PageSwapCache(), but which are not
> actually in swapcache.
> How about we use the normal pagecache APIs for this?
> + add_to_page_cache(page, &swapper_space, entry.val, GFP_NOIO);
> + remove_from_page_cache(page);

Much nicer, and it'll probably appear to work: but (also untested)
I bet you'll need an additional page_cache_release(page) - damn,
looks like hugetlbfs has found a use for that tiresome asymmetry.


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