Re: kernel page size explanation

[Robert Hancock]

Gaspar Bakos wrote:
> Hi,
>
> Sorry for this nursery-school question.
>
> Could someone briefly explain me :
> 1. what is the kernel page size (any _useful_ pointer on the web is fine),
> 2. how can one tune it (for 2.6.*)?
> 3. what kind of effect does it have on system performance, if it is
> tuneable, and if it worth changing this at all?

This is dependent on the hardware, not really the OS. On x86 the 
normally used page size is 4KB. 4MB pages are also supported but are 
usually used only for special purposes (ex: hugetlbfs).

As you mentioned some other architectures like Itanium support different 
page sizes.

--
Robert Hancock      Saskatoon, SK, Canada
To email, remove "nospam" from hancockr@xxxxxxxxxxxxx
Home Page: http://www.roberthancock.com/

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/