Make bad_page() print out the page address.

The bug turned out to be memory corruption by DMA, and
the corrupted address made it that much more obvious.

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 87be04de2c58d88625aa4bd41655fe9078ea4872..501e1bd294980121280813a505cb07805b5c0699 100644 (file)
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -71,7 +71,7 @@ static int bad_range(struct zone *zone, struct page *page)
 
 static void bad_page(const char *function, struct page *page)
 {
-       printk("Bad page state at %s (in process '%s')\n", function, current->comm);
+       printk("Bad page state at %s (in process '%s', page %p)\n", function, current->comm, page);
        printk("flags:0x%08lx mapping:%p mapped:%d count:%d\n",
                page->flags, page->mapping,
                page_mapped(page), page_count(page));