CONFIG_HIGHMEM64G=y for x86_64 SMP kernels
Naoki
naoki at valuecommerce.com
Tue Aug 31 06:12:39 UTC 2004
I would second this motion. Can't imagine why you would have less than
4GB on a quad opteron :)
How does HIGHMEM64G differ from HIGHMEM ?
-n.
On Mon, 2004-08-30 at 23:31 -0400, Ed Hill wrote:
> Hi folks,
>
> I've been using FC2 and devel kernels for one of our dual-Opteron
> systems and am very happy with recent improvements. Everything works
> well for us including:
>
> - AMD IDE interface
> - tg3 driver (dual Broadcom BCM5704 GigE)
> - 3w_9xxx driver (8-port 3ware SATA card)
>
> The only request I have is that the following be added to the x86_64-SMP
> kernel config:
>
> CONFIG_HIGHMEM=y
> CONFIG_HIGHMEM64G=y
>
> I've been building custom kernels based on the testing SRPMs with just
> this one small change and (for us at least) it works well on:
>
> kernel-2.6.7-1.494
> kernel-2.6.8-1.524
> kernel-2.6.8-1.533
>
> Would it be possible to make "CONFIG_HIGHMEM64G=y" the default for SMP
> x86_64 kernels? I bow to the kernel experts, but it does appear to be a
> reasonable default given the likelihood of SMP Opterons having more than
> 4Gig RAM.
>
> And I'll gladly add this to bugzilla if someone will recommend the best
> topic for it.
>
> Ed
>
> --
> Edward H. Hill III, PhD
> office: MIT Dept. of EAPS; Rm 54-1424; 77 Massachusetts Ave.
> Cambridge, MA 02139-4307
> emails: eh3 at mit.edu ed at eh3.com
> URLs: http://web.mit.edu/eh3/ http://eh3.com/
> phone: 617-253-0098
> fax: 617-253-4464
>
>
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