Commit 4e9f64c4 authored Jan 13, 2011 by Andrea Arcangeli Committed by Linus Torvalds Jan 13, 2011

thp: fix bad_page to show the real reason the page is bad



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>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent ae52a2ad

mm/page_alloc.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -5618,7 +5618,7 @@ 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);
		}