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From: Scott Wood <scottwood@freescale.com>
To: <steven.lin@teradyne.com>
Cc: linuxppc-dev@lists.ozlabs.org,
	David Gibson <david@gibson.dropbear.id.au>
Subject: Re: application needs fast access to physical memory
Date: Thu, 18 Nov 2010 14:48:41 -0600	[thread overview]
Message-ID: <20101118144841.0910d73a@udp111988uds.am.freescale.net> (raw)
In-Reply-To: <OF40046BB1.06061608-ON882577DF.00711C8B-862577DF.00721D60@notes.teradyne.com>

On Thu, 18 Nov 2010 14:46:16 -0600
<steven.lin@teradyne.com> wrote:

> Hello Scott,
> 
> Do you know whether this patch is necessary if I were to use alloc_bootmem
> () (to set aside a region of contiguous physical memory) instead of the
> kernel parameter "mem=256"?

It should not be needed in that case.

-Scott

      reply	other threads:[~2010-11-18 21:04 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-17 22:03 application needs fast access to physical memory steven.lin
2010-11-18 12:24 ` Michael Ellerman
2010-11-18 12:52   ` David Laight
2010-11-18 12:54   ` David Gibson
2010-11-18 16:55     ` steven.lin
2010-11-18 19:35       ` Scott Wood
2010-11-18 20:46         ` steven.lin
2010-11-18 20:48           ` Scott Wood [this message]

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