[PATCH] mm/page_alloc.c: fix a typo

[Li Zefan]

---
 mm/page_alloc.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index bdd5c43..d0ba10d 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -303,7 +303,7 @@ static void destroy_compound_page(struct page *page, unsigned long order)
 	for (i = 1; i < nr_pages; i++) {
 		struct page *p = page + i;
 
-		if (unlikely(!PageTail(p) |
+		if (unlikely(!PageTail(p) ||
 				(p->first_page != page)))
 			bad_page(page);
 		__ClearPageTail(p);
-- 1.5.4.rc3 
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