On 2021-08-05 17:20:00 [+0200], Vlastimil Babka wrote: > @@ -2849,7 +2891,11 @@ static void *___slab_alloc(struct kmem_cache *s, gfp_t gfpflags, int node, > > load_freelist: > > - lockdep_assert_irqs_disabled(); > +#ifdef CONFIG_PREEMPT_RT > + lockdep_assert_held(this_cpu_ptr(&s->cpu_slab->lock.lock)); > +#else > + lockdep_assert_held(this_cpu_ptr(&s->cpu_slab->lock)); > +#endif Could you please make this hunk only lockdep_assert_held(this_cpu_ptr(&s->cpu_slab->lock)); i.e. the non-RT version? > /* > * freelist is pointing to the list of objects to be used. Sebastian