Re: Extend clear_page by an order parameter

From: Paul Mackerras
Date: Fri Jan 21 2005 - 17:41:44 EST


Christoph Lameter writes:

> The zeroing of a page of a arbitrary order in page_alloc.c and in hugetlb.c may benefit from a
> clear_page that is capable of zeroing multiple pages at once (and scrubd
> too but that is now an independent patch). The following patch extends
> clear_page with a second parameter specifying the order of the page to be zeroed to allow an
> efficient zeroing of pages. Hope I caught everything....

Wouldn't it be nicer to call the version that takes the order
parameter "clear_pages" and then define clear_page(p) as
clear_pages(p, 0) ?

Paul.
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