slub: dump more data on slab corruption

Pekka Enberg · Pekka Enberg · commit 0ebd652b35e9 · 2008-07-19T14:17:22.000+03:00
The limit of 128 bytes is too small when debugging slab corruption of the skb
cache, for example. So increase the limit to PAGE_SIZE to make debugging
corruptions easier.

Acked-by: Ingo Molnar &lt;mingo@elte.hu&gt;
Acked-by: Christoph Lameter &lt;cl@linux-foundation.org&gt;
Signed-off-by: Pekka Enberg &lt;penberg@cs.helsinki.fi&gt;
diff --git a/mm/slub.c b/mm/slub.c
@@ -492,7 +492,7 @@ static void print_trailer(struct kmem_cache *s, struct page *page, u8 *p)
 	if (p > addr + 16)
 		print_section("Bytes b4", p - 16, 16);
 
-	print_section("Object", p, min(s->objsize, 128));
+	print_section("Object", p, min_t(unsigned long, s->objsize, PAGE_SIZE));
 
 	if (s->flags & SLAB_RED_ZONE)
 		print_section("Redzone", p + s->objsize,
