[haiku-development] Re: Writing Device Drivers - CRAM - Problem Malloc()
- From: Rene Gollent <anevilyak@xxxxxxxxx>
- To: haiku-development@xxxxxxxxxxxxx
- Date: Mon, 22 Aug 2011 16:01:59 -0400
On Mon, Aug 22, 2011 at 3:40 PM, Earl Pottinger
<earl_colby_pottinger@xxxxxxxxx> wrote:
> Thank you, I thought I read somewhere that applications on Haiku could use a
> total of 4GB address space on a machine with enough memory. From that I just
> assumed (you know what that makes me :) that I could use more than 2GB on a
> 3GB machine.
Not while we're still 32-bit. PAE allows the OS overall to use up to
iirc 64GB, but a given app will still only get the same 32-bit / 4GB
address space and associated user/kernel split. Only once we make the
jump to 64-bit will an individual app be able to use more.
>
> If in the future I buy a 8GB machine will I still be limited to 2GB per app?
>
As stated above, yes.
Regards,
Rene
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