2010-12-01 16:53:20

by naveen yadav

Subject: Change of Default kernel page size i.e 4KB

Hi all,

I have few drivers and very big application running on ARM and MIPS target.
I want to check the performance by changing the page size ie.
8K, 16K, 32K etc.

Is it possile, If yes then what all care i need to take .

thanks

2010-12-02 02:19:12

by Daniel Taylor

Subject: RE: Change of Default kernel page size i.e 4KB

> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of naveen yadav
> Sent: Wednesday, December 01, 2010 8:53 AM
> To: [email protected]
> Subject: Change of Default kernel page size i.e 4KB
>
> Hi all,
>
> I have few drivers and very big application running on ARM
> and MIPS target.
> I want to check the performance by changing the page size ie.
> 8K, 16K, 32K etc.
>
> Is it possile, If yes then what all care i need to take .
>
> thanks
> --
> To unsubscribe from this list: send the line "unsubscribe
> linux-kernel" in
> the body of a message to [email protected]
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/
>

For processor families that have Linux support for other-than-4K page
sizes, you can use menuconfig to change the page size in "Kernel Options".

This changes the configuration items: PPC_*_PAGES, SPARC64_PAGE_SIZE_*,
(MIPS) PAGE_SIZE_*, IA64_PAGE_SIZE_*.