Re: [PATCH] Fix warning in mm/slub.c

[Yasunori Goto]

> "Make kmem_cache_node for SLUB on memory online to avoid panic" introduced
> the following:
> 
> mm/slub.c:2737: warning: passing argument 1 of 'atomic_read' from
> incompatible pointer type
> 
> 
> Signed-off-by: Olof Johansson <olof@xxxxxxxxx>
> 
> 
> diff --git a/mm/slub.c b/mm/slub.c
> index aac1dd3..bcdb2c8 100644
> --- a/mm/slub.c
> +++ b/mm/slub.c
> @@ -2734,7 +2734,7 @@ static void slab_mem_offline_callback(void *arg)
>  			 * and offline_pages() function shoudn't call this
>  			 * callback. So, we must fail.
>  			 */
> -			BUG_ON(atomic_read(&n->nr_slabs));
> +			BUG_ON(atomic_long_read(&n->nr_slabs));
>  
>  			s->node[offline_node] = NULL;
>  			kmem_cache_free(kmalloc_caches, n);


Oops, yes. Thanks.

Acked-by: Yasunori Goto <y-goto@xxxxxxxxxxxxxx>



-- 
Yasunori Goto 


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