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    SubjectRe: 2.6.21-rc3-mm2 (oops in move_freepages)
    Date
    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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