Re: Extend clear_page by an order parameter

From: Roman Zippel
Date: Fri Jan 21 2005 - 20:21:53 EST


Hi,

On Fri, 21 Jan 2005, Andrew Morton wrote:

> Paul Mackerras <paulus@xxxxxxxxx> wrote:
> >
> > A cluster of 2^n contiguous pages
> > isn't one page by any normal definition.
>
> It is, actually, from the POV of the page allocator. It's a "higher order
> page" and is controlled by a struct page*, just like a zero-order page...

OTOH we also have alloc_page/alloc_pages.

bye, Roman
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