diff options
| -rw-r--r-- | mm/slub.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/mm/slub.c b/mm/slub.c index 722f95e1ea0b..b1f31f7b81bb 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -3828,6 +3828,15 @@ static int calculate_sizes(struct kmem_cache *s, int forced_order) static int kmem_cache_open(struct kmem_cache *s, slab_flags_t flags) { +#ifdef CONFIG_SLUB_DEBUG + /* + * If no slub_debug was enabled globally, the static key is not yet + * enabled by setup_slub_debug(). Enable it if the cache is being + * created with any of the debugging flags passed explicitly. + */ + if (flags & SLAB_DEBUG_FLAGS) + static_branch_enable(&slub_debug_enabled); +#endif s->flags = kmem_cache_flags(s->size, flags, s->name); #ifdef CONFIG_SLAB_FREELIST_HARDENED s->random = get_random_long(); |