Re: [10/17] Variable Order Page Cache: Add clearing and flushing function

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On Thu, Apr 26, 2007 at 12:02:31AM -0700, Christoph Lameter wrote:
> On Tue, 24 Apr 2007, [email protected] wrote:
> 
> > +{									\
> > +	memset(page_address(__page), (__offset), (__size));		\
> > +	flush_mapping_page(__page);					\
> 
> This was borked. Dave does this patch make it work?
> 
> ---
>  include/linux/highmem.h |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> Index: linux-2.6.21-rc7/include/linux/highmem.h
> ===================================================================
> --- linux-2.6.21-rc7.orig/include/linux/highmem.h	2007-04-25 23:59:33.000000000 -0700
> +++ linux-2.6.21-rc7/include/linux/highmem.h	2007-04-26 00:00:05.000000000 -0700
> @@ -88,7 +88,7 @@ static inline void clear_highpage(struct
>   */
>  #define memclear_highpage_flush(__page,__offset,__size) \
>  {									\
> -	memset(page_address(__page), (__offset), (__size));		\
> +	memset(page_address(__page) + (__offset), 0, (__size));		\
>  	flush_mapping_page(__page);					\
>  }
>  #else

Yes, works for me.

Cheers,

Dave.
-- 
Dave Chinner
Principal Engineer
SGI Australian Software Group
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