From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Sat, 1 Jan 2005 11:24:43 +0100 (MET) From: Geert Uytterhoeven Subject: Re: Prezeroing V2 [2/4]: add second parameter to clear_page() for all arches In-Reply-To: Message-ID: References: <41C20E3E.3070209@yahoo.com.au> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Christoph Lameter Cc: Andrew Morton , linux-ia64@vger.kernel.org, Linus Torvalds , linux-mm@kvack.org, Linux Kernel Development List-ID: 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 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: aart@kvack.org