Messages in this thread | | | Date | Tue, 25 Feb 2003 11:27:40 -0800 | From | "Martin J. Bligh" <> | Subject | Re: Minutes from Feb 21 LSE Call |
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> the only solution is to do rmap lazily, i.e. to start building the rmap > during swapping by walking the pagetables, basically exactly like I > refill the lru with anonymous pages only after I start to need this > information recently in my 2.4 tree, so if you never need to pageout > heavily several giga of ram (like most of very high end numa servers), > you'll never waste a single cycle in locking or whatever other worthless > accounting overhead that hurts performance of all common workloads
Did you see the partially object-based rmap stuff? I think that does very close to what you want already.
M.
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