default base page size on ia64 processor

default base page size on ia64 processor

[adheer chandravanshi]

Hello all,

I am a linux newbie.

Can anyone tell me what is the default base page size supported  by
ia64 processor on Linux?

And can we change the base page size to some large page size like 16kb,64kb....?
and how to do that?

-Adheer

default base page size on ia64 processor

[adheer chandravanshi]

Hello all,

I am a linux newbie.

Can anyone tell me what is the default base page size supported  by
ia64 processor on Linux?

And can we change the base page size to some large page size like 16kb,64kb....?
and how to do that?

-Adheer

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RE: default base page size on ia64 processor

[Chen, Kenneth W]

adheer chandravanshi wrote on Monday, November 06, 2006 11:45 PM
> Can anyone tell me what is the default base page size supported by
> ia64 processor on Linux?

16KB

> And can we change the base page size to some large page size like 16kb,64kb....?
> and how to do that?

Yes, via kernel config option.  Select "processor type and features",
then "page size".  You can select 4K, 8K, 16K, or 64K.

In the future, it's best to direct such question to ia64 mailing list:
linux-ia64@vger.kernel.org


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Re: default base page size on ia64 processor

[Adrian Bunk]

On Tue, Nov 07, 2006 at 01:15:23PM +0530, adheer chandravanshi wrote:

> Hello all,

Hi Adheer,

> I am a linux newbie.
> 
> Can anyone tell me what is the default base page size supported  by
> ia64 processor on Linux?

16kB

> And can we change the base page size to some large page size like 
> 16kb,64kb....?

Yes.

> and how to do that?

When configuring your kernel before compiling it, it is the option
    Processor type and features
      Kernel page size

> -Adheer

cu
Adrian

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Re: default base page size on ia64 processor

[Arjan van de Ven]

On Tue, 2006-11-07 at 13:15 +0530, adheer chandravanshi wrote:
> Hello all,
> 
> I am a linux newbie.
> 
> Can anyone tell me what is the default base page size supported  by
> ia64 processor on Linux?

Hi,

this is a compile time configurable property (kernel compile time), and
can be 4k, 8k, 16k and 64k, whatever you decide on. It's a kernel
configuration option because there is no "one right size" basically...
so you get to pick when you compile your kernel.

Hope this helps,
   Arjan van de Ven



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Re: default base page size on ia64 processor

[vamsi krishna]

its 4KB 4*1024 bytes




On 11/7/06, adheer chandravanshi <adheerchandravanshi@gmail.com> wrote:
> Hello all,
>
> I am a linux newbie.
>
> Can anyone tell me what is the default base page size supported  by
> ia64 processor on Linux?
>
> And can we change the base page size to some large page size like 16kb,64kb....?
> and how to do that?
>
> -Adheer
> -
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at  http://www.tux.org/lkml/
>


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Sincerely,
Vamsi kundeti

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Re: default base page size on ia64 processor

[Tony Luck]

> Can anyone tell me what is the default base page size supported  by
> ia64 processor on Linux?

Default page size for Itanium is 16K

> And can we change the base page size to some large page size like 16kb,64kb....?
> and how to do that?

You need to rebuild the kernel to change the default pagesize.  Run
"make menuconfig"
and choose the "Processor type and features" menu entry, 3rd entry
down on that menu
is "Kernel page size".  You can choose 4k, 8k, 16k or 64k.

-Tony

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