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SubjectRe: Race in shrink_cache
Daniel Phillips wrote:
> ...
> You said something about your lru locking strategy in 2.5.33-mm2. I have not
> reverse engineered it yet, would you care to wax poetic?

I'm not sure what you're after here? Strategy is to make the locks per-zone,
per-node, to not take them too long, to not take them too frequently, to do
as much *needed* work as possible for a single acquisition of the lock and
to not do unnecessary work while holding it - and that includes not servicing
ethernet interrupts.

Not having to bump page counts when moving pages from the LRU into a private
list would be nice.

The strategy for fixing the double-free race is to wait until you
buy an IDE disk ;)

The elaborate changelogs are at!-|index.html|stats|!+|index.html
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