slub: add taint flag outputting to debug paths

When we get corruption reports, it's useful to see if the kernel was
tainted, to rule out problems we can't do anything about.

Signed-off-by: Dave Jones <davej@redhat.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Andrew Morton <>

diff --git a/mm/slub.c b/mm/slub.c
index 95215aa6a75e4ffa42676355a5fadc86fc1466d2..bbec29e9d12cec49b9a28d09332042f097c2e6c7 100644 (file)
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -570,7 +570,7 @@ static void slab_bug(struct kmem_cache *s, char *fmt, ...)
        va_end(args);
        printk(KERN_ERR "========================================"
                        "=====================================\n");
-       printk(KERN_ERR "BUG %s: %s\n", s->name, buf);
+       printk(KERN_ERR "BUG %s (%s): %s\n", s->name, print_tainted(), buf);
        printk(KERN_ERR "----------------------------------------"
                        "-------------------------------------\n\n");
 }