[PATCH] fix/simplify mutex debugging code

Let's switch mutex_debug_check_no_locks_freed() to take (addr, len) as
arguments instead, since all its callers were just calculating the 'to'
address for themselves anyway... (and sometimes doing so badly).

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index a5e6891f7bb6..8e363536e2da 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -417,7 +417,7 @@ static void __free_pages_ok(struct page *page, unsigned int order)
         arch_free_page(page, order);
         if (!PageHighMem(page))
                 mutex_debug_check_no_locks_freed(page_address(page),
-                        page_address(page+(1<<order)));
+                                                 PAGE_SIZE<<order);
 
 #ifndef CONFIG_MMU
         for (i = 1 ; i < (1 << order) ; ++i)