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Subject: Re: Alloc and lock down large amounts of memory
From: Gilad Ben-Yossef <gilad@benyossef.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Bhavana Nagendra <Bhavana.Nagendra@3dlabs.com>,
       linux-kernel@vger.kernel.org
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Date: 19 Aug 2002 01:45:38 +0300
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On Sun, 2002-08-18 at 15:18, Alan Cox wrote:
> On Sun, 2002-08-18 at 13:09, Gilad Ben-Yossef wrote:
> > >     Can 256M be allocated using vmalloc, if so is it swappable?
> > 
> > It can be alloacted via vmalloc and AFAIK it is not swappable by
> > default. This doesn't sound like a very good idea though.
> 
> There isnt enough address space for vmalloc to grab 256Mb. If you want
> that much then you need to handle the fact its in page arrays not
> virtually linear yourself.

Oopss... indeed. 256M is twice the entire vmalloc address space to be
exact. 

Thanks for correcting my mistake ;-)

Gilad.

-- 
Gilad Ben-Yossef <gilad@benyossef.com>
http://benyossef.com

"Money talks, bullshit walks and GNU awks."
  -- Shachar "Sun" Shemesh, debt collector for the GNU/Yakuza

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