From: Dave Hansen <haveblue@us.ibm.com>
To: Mike Kravetz <kravetz@us.ibm.com>
Cc: Yasunori Goto <y-goto@jp.fujitsu.com>,
linux-mm <linux-mm@kvack.org>, "Luck, Tony" <tony.luck@intel.com>,
ia64 list <linux-ia64@vger.kernel.org>,
"Martin J. Bligh" <mbligh@mbligh.org>
Subject: Re: [PATCH] gurantee DMA area for alloc_bootmem_low()
Date: Tue, 12 Jul 2005 12:29:25 -0700 [thread overview]
Message-ID: <1121196565.5992.2.camel@localhost> (raw)
In-Reply-To: <20050712183021.GC3987@w-mikek2.ibm.com>
On Tue, 2005-07-12 at 11:30 -0700, Mike Kravetz wrote:
> FYI - While hacking on the memory hotplug code, I added a special
> '#define MAX_DMA_PHYSADDR' to get around this issue on such architectures.
> Most likely, this isn't elegant enough as a real solution. But it does
> point out that __pa(MAX_DMA_ADDRESS) doesn't always give you what you
> expect.
Didn't we create a MAX_DMA_PHYSADDR or something, so that people could
do this if they want?
-- Dave
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next prev parent reply other threads:[~2005-07-12 19:29 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-12 6:50 Yasunori Goto
2005-07-12 14:39 ` Martin J. Bligh
2005-07-13 5:09 ` Yasunori Goto
2005-07-12 18:30 ` Mike Kravetz
2005-07-12 19:29 ` Dave Hansen [this message]
2005-07-12 20:37 ` Mike Kravetz
2005-07-13 6:34 ` Yasunori Goto
2005-07-13 22:03 ` Mike Kravetz
2005-07-15 2:43 ` Yasunori Goto
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