diff options
Diffstat (limited to 'mm/kasan/quarantine.c')
| -rw-r--r-- | mm/kasan/quarantine.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/mm/kasan/quarantine.c b/mm/kasan/quarantine.c index a04887c62..baabaad4a 100644 --- a/mm/kasan/quarantine.c +++ b/mm/kasan/quarantine.c @@ -144,13 +144,15 @@ static void *qlink_to_object(struct qlist_node *qlink, struct kmem_cache *cache) static void qlink_free(struct qlist_node *qlink, struct kmem_cache *cache) { void *object = qlink_to_object(qlink, cache); - struct kasan_alloc_meta *alloc_info = get_alloc_info(cache, object); unsigned long flags; - local_irq_save(flags); - alloc_info->state = KASAN_STATE_FREE; + if (IS_ENABLED(CONFIG_SLAB)) + local_irq_save(flags); + ___cache_free(cache, object, _THIS_IP_); - local_irq_restore(flags); + + if (IS_ENABLED(CONFIG_SLAB)) + local_irq_restore(flags); } static void qlist_free_all(struct qlist_head *q, struct kmem_cache *cache) @@ -215,11 +217,8 @@ void quarantine_reduce(void) new_quarantine_size = (READ_ONCE(totalram_pages) << PAGE_SHIFT) / QUARANTINE_FRACTION; percpu_quarantines = QUARANTINE_PERCPU_SIZE * num_online_cpus(); - if (WARN_ONCE(new_quarantine_size < percpu_quarantines, - "Too little memory, disabling global KASAN quarantine.\n")) - new_quarantine_size = 0; - else - new_quarantine_size -= percpu_quarantines; + new_quarantine_size = (new_quarantine_size < percpu_quarantines) ? + 0 : new_quarantine_size - percpu_quarantines; WRITE_ONCE(quarantine_size, new_quarantine_size); last = global_quarantine.head; |