On Mon 01-05-23 09:54:45, Suren Baghdasaryan wrote: [...] > +struct codetag_ctx *alloc_tag_create_ctx(struct alloc_tag *tag, size_t size) > +{ > + struct alloc_call_ctx *ac_ctx; > + > + /* TODO: use a dedicated kmem_cache */ > + ac_ctx = kmalloc(sizeof(struct alloc_call_ctx), GFP_KERNEL); You cannot really use GFP_KERNEL here. This is post_alloc_hook path and that has its own gfp context. -- Michal Hocko SUSE Labs