mm: output a list of loaded modules when we hit bad_page()

When we get a bad_page bug report, it's useful to see what modules the
user had loaded.

Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 6e8ecb6e021c7ebc4056a2eb23576c314721b858..83a02052bce401ac7b4b7f21bbda5cbb06855112 100644 (file)
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -318,6 +318,7 @@ static void bad_page(struct page *page)
                current->comm, page_to_pfn(page));
        dump_page(page);
 
+       print_modules();
        dump_stack();
 out:
        /* Leave bad fields for debug, except PageBuddy could make trouble */