Christoph Lameter wrote:
On Sun, 15 Jan 2006, Nick Piggin wrote:
OK (either way is fine), but you should still drop the __isolate_lru_page
nonsense and revert it like my patch does.
Ok with me. Magnus: You needed the __isolate_lru_page for some other
purpose. Is that still the case?
Either way, we can remove it from the tree for now.
But I'm almost sure such a user would be wrong too. The reason it is
required is very specific and it is because taking lru_lock and then
looking up a page on the LRU uniquely does not pin the page. If you
find the page via any other means other than simply looking on the
LRU, then get_page_testone is wrong and you should either pin it or
take a normal reference to it instead.
--
SUSE Labs, Novell Inc.
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