On 11/2/21 14:53, Tang Yizhou wrote: > On 2021/11/2 19:43, Yunfeng Ye wrote: >> --- a/mm/slub.c >> +++ b/mm/slub.c >> @@ -3526,8 +3526,8 @@ void kmem_cache_free(struct kmem_cache *s, void *x) >> s = cache_from_obj(s, x); >> if (!s) >> return; >> - slab_free(s, virt_to_head_page(x), x, NULL, 1, _RET_IP_); >> trace_kmem_cache_free(_RET_IP_, x, s->name); >> + slab_free(s, virt_to_head_page(x), x, NULL, 1, _RET_IP_); >> } > > It seems that kmem_cache_free() in mm/slab.c has the same problem. > We can fix it. Thanks. Doh, true. Should go best before the local_irq_save() there. And also kmem_cache_free() in mm/slob.c. Interestingly kfree() is already OK in all 3 implementations. >> EXPORT_SYMBOL(kmem_cache_free); >> >
