Re: 2.3.27 always keeping 15M free?

Alan Cox (alan@lxorguk.ukuu.org.uk)
Fri, 12 Nov 1999 16:26:31 +0000 (GMT)

> 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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