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From: Kyle McMartin <>
To: Seetharam Dharmosoth <>
Cc: Randy Dunlap <>,
Subject: Re: que: How can we Eliminate the DMA Zone from the kernel?
Date: Thu, 25 Jan 2007 10:35:10 -0500	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On Thu, Jan 25, 2007 at 12:56:30PM +0000, Seetharam Dharmosoth wrote:
> Hi,
> Want to remove DMA zone the from the Linux Kernel.
> (Don't want to use DMA Zone, because i am not
> using ISA bus, am using PCI bus. So, I don't need
> this)

Just because you don't need ISA, doesn't mean you don't need
ZONE_DMA. Various PCI cards have limitations on what addresses they
can DMA to (24 bits on some old PCI sound cards iirc, and more recently
a 30 bit DMA limitation on some Broadcom networking equipment.)

  reply	other threads:[~2007-01-25 15:35 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-01-25 12:56 Seetharam Dharmosoth
2007-01-25 15:35 ` Kyle McMartin [this message]
2007-01-25 19:33   ` Randy Dunlap

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