| From | KOSAKI Motohiro <> | Subject | Re: [PATCH 08 of 66] fix bad_page to show the real reason the page is bad | Date | Tue, 9 Nov 2010 12:03:43 +0900 (JST) |
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> From: Andrea Arcangeli <aarcange@redhat.com> > > page_count shows the count of the head page, but the actual check is done on > the tail page, so show what is really being checked. > > Signed-off-by: Andrea Arcangeli <aarcange@redhat.com> > Acked-by: Rik van Riel <riel@redhat.com> > Acked-by: Mel Gorman <mel@csn.ul.ie> > --- > > diff --git a/mm/page_alloc.c b/mm/page_alloc.c > --- a/mm/page_alloc.c > +++ b/mm/page_alloc.c > @@ -5564,7 +5564,7 @@ void dump_page(struct page *page) > { > printk(KERN_ALERT > "page:%p count:%d mapcount:%d mapping:%p index:%#lx\n", > - page, page_count(page), page_mapcount(page), > + page, atomic_read(&page->_count), page_mapcount(page), > page->mapping, page->index); > dump_page_flags(page->flags); > }
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
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