From: rd.asha22@gmail.com (Asha R)
To: kernelnewbies@lists.kernelnewbies.org
Subject: Reserving physical memory in Linux
Date: Mon, 27 Dec 2010 14:36:06 +0530 [thread overview]
Message-ID: <AANLkTikhq89O1eUrUj_K=T99qozMuquA2MSfkJrhrYki@mail.gmail.com> (raw)
In-Reply-To: <AANLkTimZ_YtWSgHuxSMLqsXFu1EwXTUDL6Kq4WcL4Odb@mail.gmail.com>
Thanks Adam Lee.
Is this mem= or memmap=?
Regards,
Asha
On Mon, Dec 27, 2010 at 1:01 PM, Adam Lee <adam8157@gmail.com> wrote:
> On Mon, Dec 27, 2010 at 2:59 PM, Asha R <rd.asha22@gmail.com> wrote:
> > Hi,
> > I want to reserve one range of physical memory say from 0x10000000
> of 256MB
> > in Linux. This region is required for DMA functions alone.
> > Please help me understand how we can reserve this in Linux. Can this be
> > done using boot options or any other?
> >
> > Regards,
> > Asha
>
> try adding "mem=256M$0x10000000" in arg.
>
> via http://lxr.linux.no/source/Documentation/kernel-parameters.txt
>
> --
> Regards,
> Adam Lee
> --------------------------------------------------
> E-mail: adam8157 at gmail.com
> Website: http://www.adam8157.info
> --------------------------------------------------
>
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next prev parent reply other threads:[~2010-12-27 9:06 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-27 6:59 Reserving physical memory in Linux Asha R
2010-12-27 7:27 ` Rajat Sharma
2010-12-27 7:31 ` Adam Lee
2010-12-27 9:06 ` Asha R [this message]
2010-12-27 9:09 ` Adam Lee
2010-12-28 3:49 ` Bharath H S
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