From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Mon, 3 Jan 2005 09:52:42 -0800 (PST) From: Christoph Lameter Subject: Re: Prezeroing V2 [2/4]: add second parameter to clear_page() for all arches In-Reply-To: <20041224090539.40bba423.davem@davemloft.net> Message-ID: References: <41C20E3E.3070209@yahoo.com.au> <20041224090539.40bba423.davem@davemloft.net> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: "David S. Miller" Cc: akpm@osdl.org, linux-ia64@vger.kernel.org, torvalds@osdl.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org List-ID: On Fri, 24 Dec 2004, David S. Miller wrote: > On Thu, 23 Dec 2004 11:33:59 -0800 (PST) > Christoph Lameter wrote: > > > Modification made but it would be good to have some feedback from the arch maintainers: > > > ... > > sparc64 > > I don't see any sparc64 bits in this patch, else I'd > review them :-) > Sorry here it is: Index: linux-2.6.9/include/asm-sparc64/page.h =================================================================== --- linux-2.6.9.orig/include/asm-sparc64/page.h 2004-10-18 14:53:51.000000000 -0700 +++ linux-2.6.9/include/asm-sparc64/page.h 2005-01-03 09:50:16.000000000 -0800 @@ -15,7 +15,17 @@ #ifndef __ASSEMBLY__ extern void _clear_page(void *page); -#define clear_page(X) _clear_page((void *)(X)) + +static void inline clear_page(void *page, int order) +{ + unsigned int nr = 1 << order; + + while (nr-- > 0) { + _clear_page(page); + page += PAGE_SIZE; + } +} + struct page; extern void clear_user_page(void *addr, unsigned long vaddr, struct page *page); #define copy_page(X,Y) memcpy((void *)(X), (void *)(Y), PAGE_SIZE) -- 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