linux-kernel - RE: Can Linux live without DMA zone?

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Message-Id: <1162472966.11965.180.camel@localhost.localdomain>
Date:	Thu, 02 Nov 2006 13:09:26 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Conke Hu <conke.hu@....com>
Cc:	Arjan van de Ven <arjan@...radead.org>, Jun Sun <jsun@...sun.net>,
	linux-kernel@...r.kernel.org
Subject: RE: Can Linux live without DMA zone?

Ar Iau, 2006-11-02 am 18:33 +0800, ysgrifennodd Conke Hu:
> Most PCs do not have ISA or floppy, so maybe we could add an option to enable DMA zone or not.

Lots of hardware still needs memory below the 2GB boundary, or for
floppy etc (which is common) in the low 16MB. People are still shipping
wireless hardware with these kind of limits even today.

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