Displaying 1 result from an estimated 1 matches for "p2m_pod_check_last_sup".
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p2m_pod_check_last_super
2012 Jun 27
0
Re: [PATCH 2 of 4] xen, pod: Zero-check recently populated pages (checklast)
...im_super = i ? i - SUPERPAGE_PAGES : 0;
> }
>
> +/* When populating a new superpage, look at recently populated superpages
> + * hoping that they''ve been zeroed. This will snap up zeroed pages as
> soon as
> + * the guest OS is done with them. */
> +static void
> +p2m_pod_check_last_super(struct p2m_domain *p2m, unsigned long
> gfn_aligned)
> +{
> + unsigned long check_gfn;
> +
> + ASSERT(p2m->pod.last_populated_index < POD_HISTORY_MAX);
> +
> + check_gfn = p2m->pod.last_populated[p2m->pod.last_populated_index];
> +
> + p2m->po...