On Mon, Nov 07, 2022 at 11:31:09AM +0800, Qi Zheng wrote: > @@ -31,9 +33,9 @@ bool __should_failslab(struct kmem_cache *s, gfp_t gfpflags) > return false; > > if (gfpflags & __GFP_NOWARN) > - failslab.attr.no_warn = true; > + flags |= FAULT_NOWARN; You should add a comment here about why this is required, to avoid deadlocking printk Jason