Messages in this thread | | | Subject | Re: 2.3.27 always keeping 15M free? | Date | Fri, 12 Nov 1999 16:26:31 +0000 (GMT) | From | Alan Cox <> |
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> I've got a P90 laptop with 40M *1. Somewhere between 2.3.24 and > 2.3.27-final the kernel started keeping 15M or more free all the time. > On a 40M laptop that makes a big difference. *smile*
2.3.27 seperates DMA memory from the rest but forgets that you need to pull from the DMA pool for a failing GFP_KERNEL allocation.
You also need to figure very fast when you will need to do this otherwise your performance goes through the floor.
Alan
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