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SubjectRe: [RFC] Tracking mlocked pages and moving them off the LRU
On Sun, 2007-02-04 at 23:57 -0800, Christoph Lameter wrote:
> Hmmm.. I have had no time to test this one yet but I think this should
> work. It uses the delayed method and a new page flag PageMlocked() with
> different semantics. Fix for page migration is also included.
> Patch avoids to put new anonymous mlocked pages on the LRU. Maybe the same
> could be done for new pagecache pages?
> I still need a solution for the problem of not having enough page flag
> bits on i386 NUMA.

I still don't get why you *really* need such a bit.
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