Messages in this thread | | | Date | Tue, 01 Oct 2002 09:06:15 -0700 | From | "Martin J. Bligh" <> | Subject | Re: Page table sharing |
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> I'm not sure how relevant page table sharing has to the halloween > deadline since it's not a feature per se, just an optimization. > It has more to do with getting numa ia32 boxes to survive, so it's > an ideal out-of-tree patch.
Any large 32 bit box with significant numbers of processes will need it to cope with the bloat that rmap introduced - this has nothing to do with NUMA (some apps may be saved by large pages, some not). Avoiding hangs from ZONE_NORMAL oom is not an "optimisation", and I doubt optimisations involving major VM changes would be very welcome after the freeze. This is something we need to get working ASAP ...
M.
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