diff options
Diffstat (limited to 'mm/kmemleak.c')
| -rw-r--r-- | mm/kmemleak.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/mm/kmemleak.c b/mm/kmemleak.c index 7c7ba17ce7af..e196f53f9b46 100644 --- a/mm/kmemleak.c +++ b/mm/kmemleak.c @@ -687,7 +687,7 @@ static struct kmemleak_object *__alloc_object(gfp_t gfp) atomic_set(&object->use_count, 1); object->excess_ref = 0; object->count = 0; /* white color initially */ - object->checksum = 0; + object->checksum = ~0; object->del_state = 0; /* task information */ @@ -981,7 +981,7 @@ static void reset_checksum(unsigned long ptr) } raw_spin_lock_irqsave(&object->lock, flags); - object->checksum = 0; + object->checksum = ~0; raw_spin_unlock_irqrestore(&object->lock, flags); put_object(object); } @@ -1410,7 +1410,8 @@ static bool update_checksum(struct kmemleak_object *object) for_each_possible_cpu(cpu) { void *ptr = per_cpu_ptr((void __percpu *)object->pointer, cpu); - object->checksum ^= crc32(0, kasan_reset_tag((void *)ptr), object->size); + object->checksum = crc32(object->checksum, + kasan_reset_tag((void *)ptr), object->size); } } else { object->checksum = crc32(0, kasan_reset_tag((void *)object->pointer), object->size); |