Re: [PATCH] mm: fix unexpected changes to {failslab|fail_page_alloc}.attr

[Jason Gunthorpe]

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