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Subject[PATCH] slub: dump more data on slab corruption
From: Pekka Enberg <penberg@cs.helsinki.fi>

The limit to 128 bytes is too small when debugging slab corruption of the skb
cache, for example. Increase the limit to PAGE_SIZE to make debugging
corruptions sligthly easier.

Cc: Ingo Molnar <mingo@elte.hu>
Cc: Christoph Lameter <cl@linux-foundation.org>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
---
mm/slub.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux-2.6/mm/slub.c
===================================================================
--- linux-2.6.orig/mm/slub.c 2008-07-18 17:26:01.000000000 +0300
+++ linux-2.6/mm/slub.c 2008-07-18 17:26:09.000000000 +0300
@@ -492,7 +492,7 @@
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,

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