Re: 2.6.21-rc3-mm2 (oops in move_freepages)

[Bjorn Helgaas]

On Wednesday 14 March 2007 03:44, Mel Gorman wrote:
> Please try the following patch from Yasunori Goto.
> ...
> --- current_test.orig/mm/page_alloc.c	2007-03-08 15:44:10.000000000 +0900
> +++ current_test/mm/page_alloc.c	2007-03-08 16:17:29.000000000 +0900
> @@ -707,7 +707,7 @@ int move_freepages(struct zone *zone,
>  	unsigned long order;
>  	int blocks_moved = 0;
>  
> -	BUG_ON(page_zone(start_page) != page_zone(end_page));
> +	BUG_ON(page_zone(start_page) != page_zone(end_page - 1));
>  

I should have mentioned that I already tried this patch.  The
oops still occurs, although now it's when loading the value
pointed to by "end_page - 1" instead of "end_page".
-
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