Messages in this thread Patch in this message | | | Date | Fri, 18 Jul 2008 17:29:58 +0300 (EEST) | From | Pekka J Enberg <> | Subject | [PATCH] slub: dump more data on slab corruption |
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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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