Messages in this thread | | | Subject | Re: 2.3.27 always keeping 15M free? | Date | Fri, 12 Nov 1999 19:24:07 +0000 (GMT) | From | Alan Cox <> |
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> > You also need to figure very fast when you will need to do this otherwise > > your performance goes through the floor. > > it should be rather fast. But if higher-order zones are completely > allocated then we are under heavy memory pressure anyway. But it should > work already.
On a 20Mb machine we were 10% down on performance until the code was tweaked to find a DMA fallback in the same pass of memory. Obviously thats with the old allocator so doesnt translate exactly
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