From b04c57d9dc889462951312be2ac81ff6c702e954 Mon Sep 17 00:00:00 2001 From: Kyle McMartin Date: Wed, 8 Jul 2009 13:05:09 -0400 Subject: [PATCH 3/6] fedora: linux-2.6-debug-taint-vm.patch --- kernel/panic.c | 4 +++- mm/slab.c | 8 ++++---- mm/slub.c | 2 +- 4 files changed, 11 insertions(+), 8 deletions(-) diff --git a/kernel/panic.c b/kernel/panic.c index 984b3ec..6d1c3be 100644 --- a/kernel/panic.c +++ b/kernel/panic.c @@ -199,6 +199,7 @@ const char *print_tainted(void) return buf; } +EXPORT_SYMBOL(print_tainted); int test_taint(unsigned flag) { diff --git a/mm/slab.c b/mm/slab.c index e74a16e..7bc287e 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -1803,8 +1803,8 @@ static void check_poison_obj(struct kmem_cache *cachep, void *objp) /* Print header */ if (lines == 0) { printk(KERN_ERR - "Slab corruption: %s start=%p, len=%d\n", - cachep->name, realobj, size); + "Slab corruption (%s): %s start=%p, len=%d\n", + print_tainted(), cachep->name, realobj, size); print_objinfo(cachep, objp, 0); } /* Hexdump the affected line */ @@ -2902,8 +2902,8 @@ static void check_slabp(struct kmem_cache *cachep, struct slab *slabp) if (entries != cachep->num - slabp->inuse) { bad: printk(KERN_ERR "slab: Internal list corruption detected in " - "cache '%s'(%d), slabp %p(%d). Hexdump:\n", - cachep->name, cachep->num, slabp, slabp->inuse); + "cache '%s'(%d), slabp %p(%d). Tainted(%s). Hexdump:\n", + cachep->name, cachep->num, slabp, slabp->inuse, print_tainted()); for (i = 0; i < sizeof(*slabp) + cachep->num * sizeof(kmem_bufctl_t); i++) { diff --git a/mm/slub.c b/mm/slub.c index 819f056..8eff0f4 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -433,7 +433,7 @@ 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"); } -- 1.6.2.5