Re: Can Linux live without DMA zone?

From: Arjan van de Ven
Date: Thu Nov 02 2006 - 11:58:44 EST


On Thu, 2006-11-02 at 11:32 -0500, Phillip Susi wrote:
> Shouldn't only ancient ISA drivers be using GFP_DMA? You know, ones
> that actually require it? PCI drivers should not have this limit.


that is a nice theory, but unfortunately there is just a lot of "PCI"
hardware out there for which the designers decided to save a bit of
copper and only wire up the lower X address lines (for various values of
X)
--
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