Re: [patch] slub: use size and objsize orders to disable debugflags

[Christoph Lameter]

Acked-by: Christoph Lameter <cl@xxxxxxxxxxxxxxxxxxxx>

On Mon, 27 Jul 2009, David Rientjes wrote:
> @@ -2488,6 +2474,18 @@ static int kmem_cache_open(struct kmem_cache *s, gfp_t gfpflags,
>
>  	if (!calculate_sizes(s, -1))
>  		goto error;
> +	if (disable_higher_order_debug) {
> +		/*
> +		 * Disable debugging flags that store metadata if the min slab
> +		 * order increased.
> +		 */
> +		if (get_order(s->size) > get_order(s->objsize)) {
> +			s->flags &= ~DEBUG_METADATA_FLAGS;

> +			s->offset = 0;

Hmmm... Move this line into calculate_sizes()?

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