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SubjectRe: Prezeroing V2 [2/4]: add second parameter to clear_page() for all arches
On Thu, 23 Dec 2004, Christoph Lameter wrote:
> o Extend clear_page to take an order parameter for all architectures.

> Index: linux-2.6.9/include/asm-m68k/page.h
> ===================================================================
> --- linux-2.6.9.orig/include/asm-m68k/page.h 2004-10-18 14:55:36.000000000 -0700
> +++ linux-2.6.9/include/asm-m68k/page.h 2004-12-23 07:44:14.000000000 -0800
> @@ -50,7 +50,7 @@
> );
> }
>
> -static inline void clear_page(void *page)
> +static inline void clear_page(void *page, int order)
> {
> unsigned long tmp;
> unsigned long *sp = page;
> @@ -69,16 +69,16 @@
> "dbra %1,1b\n\t"
> : "=a" (sp), "=d" (tmp)
> : "a" (page), "0" (sp),
> - "1" ((PAGE_SIZE - 16) / 16 - 1));
> + "1" (((PAGE_SIZE<<(order)) - 16) / 16 - 1));
> }
>
> #else
> -#define clear_page(page) memset((page), 0, PAGE_SIZE)
> +#define clear_page(page, 0) memset((page), 0, PAGE_SIZE << (order))
^
order

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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